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: They pushed through the crowd.

Output: 1


Input: Consider Input: Nixon's behavior gave Mailer an idea for a book.

Output: 1


Input: Consider Input: I didn't realize that it had rained and some crops had been destroyed.


Output: 1