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:
I am not going.

Ex Output:
1


Ex Input:
It's probable that in general he understands what's going on.

Ex Output:
1


Ex Input:
He kept some girls who had been injured in the wreck company.

Ex Output:

0