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: A review copy of the book was sent to her by the publisher.

Output: 1


Input: Consider Input: No candidate can predict how many people will vote for him.

Output: 1


Input: Consider Input: Steve pelted Anna acorns.


Output: 0