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: To whom did you give the ball?

Output: 1


Input: Consider Input: Tessa sprained Mary 's ankle.

Output: 0


Input: Consider Input: I threw the ball to Julian, but it fell short of him.


Output: 1