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: Because did Marianne love Willoughby, she refused to.

Output: 0


Input: Consider Input: Fruit at once hit the roof from the tree.

Output: 1


Input: Consider Input: I gave a gun to my brother which I had cleaned.


Output: 1