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: Paula swatted Deirdre's back.

Output: 1


Input: Consider Input: I inquired John to like his beer.

Output: 0


Input: Consider Input: Which books did Robin read and talk to Chris?


Output: 0