บท 145: exp part 145

exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp