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: Maxwell isn't half the doctor that feared Marge would realize Tom had confessed that he knew Bill expected him to be.

Output: 1


Input: Consider Input: That the sun was out is obvious.

Output: 1


Input: Consider Input: Steve pelted acorns to Anna.


Output: 0