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: Why can't the man who usually cuts the grass do so today?

Output: 1


Input: Consider Input: The constantly reading Shakespeare satisfied me

Output: 0


Input: Consider Input: Does John have gone to the library?


Output: 0