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: Sam didn't pick those packages up until it had stopped raining which are to be mailed tomorrow.

Output: 0


Input: Consider Input: The drunk hugged the lamppost.

Output: 1


Input: Consider Input: The more articles he reads, the fewer people he thinks will go into linguistics.


Output: 1