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's probable that in general he understands what's going on.

Output: 1


Input: Consider Input: Seems John to fix the computer.

Output: 0


Input: Consider Input: The pigs grunts


Output: 0