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: Shaving myself is difficult for me.

Output: 1


Input: Consider Input: A man to be in the garden is unlikely.


Output: 0