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: Did Merv show up and did you play chess?

Output: 1


Input: Consider Input: Shaving myself is difficult for me.

Output: 1


Input: Consider Input: Because Dr Jones ate too much rich food didn't he, he died of apoplexy.


Output: 0