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: The tree changed from a maple into an oak.

Output: 1


Input: Consider Input: I'm more worrying than thinking.

Output: 0


Input: Consider Input: Order one first is what you should do.


Output: 0