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: Every man who said he would buy some salmon did buy some salmon.

Output: 1


Input: Consider Input: Keep your mouth shut tighter, the more John eats, OK?

Output: 1


Input: Consider Input: Seven more soldiers came in after ten had left.


Output: 1