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:
A review copy of the book was sent to her by the publisher.

Ex Output:
1


Ex Input:
The water melted to ice.

Ex Output:
1


Ex Input:
These stories about himself describe John better than any official biography.

Ex Output:

0