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: She has problem enough as it is.

Output: 0


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

Output: 0


Input: Consider Input: John leave for Seoul tomorrow?


Output: 1