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:
Whose book did you find?

Ex Output:
1


Ex Input:
John has been captured by the cops and I'm afraid he'll talk.

Ex Output:
1


Ex Input:
The committee hasn't yet made up their mind.

Ex Output:

0