You will be given a sentence. Check whether the sentence is grammatically correct and is meaningful. If the sentence is grammatically correct, then answer with '1', otherwise answer with '0'.

Input: Consider Input: That the fuzz wanted him worried John, but that the fuzz wanted John didn't worry Mary.

Output: 1


Input: Consider Input: Did his having played the piano surprise you?

Output: 1


Input: Consider Input: The rock placed the sky with the fork.


Output: 0