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: Mike will sing if you will sing.

Output: 1


Input: Consider Input: She has enough a problem as it is.

Output: 0


Input: Consider Input: No student, and he wears socks, is a swinger.


Output: 0