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: Carla slid at the book to Dale.

Output: 0


Input: Consider Input: Most guests will be offended if we don't invite some philosopher.

Output: 1


Input: Consider Input: Which picture of himself does Mary think that John said that Susan likes?


Output: 1