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: Bill was bitten the dog.

Output: 0


Input: Consider Input: How hard to read the book was it?

Output: 0


Input: Consider Input: I am anxious for you to study English grammar hard.


Output: 1