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: After ten had left, seven more soldiers came in.

Output: 1


Input: Consider Input: The thief chased down the street.

Output: 0


Input: Consider Input: Julie maintained if the barman was sober.


Output: 0