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'.

Ex Input:
the enemy's destruction of the city was horrific.

Ex Output:
1


Ex Input:
Mary gets depressed when she listens to the Grateful Dead.

Ex Output:
1


Ex Input:
I explained how to fix the sink.

Ex Output:

1