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: What happened was they knew his parents.

Output: 0


Input: Consider Input: Where did you disappear before you hid the gold?

Output: 0


Input: Consider Input: People are seething in the square.


Output: 0