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

Ex Output:
1


Ex Input:
The book to whom did you give.

Ex Output:
0


Ex Input:
Speaking not English is a disadvantage.

Ex Output:

0