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: It is important the more you to eat, the more careful to be.

Output: 0


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

Output: 0


Input: Consider Input: Have they left?


Output: 1