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:
What exploded when and I warned you it would?

Ex Output:
0


Ex Input:
He can't pay taxes, can he?

Ex Output:
1


Ex Input:
He talked to a girl about swimming.

Ex Output:

1