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:
Susan gave the ball halfway to Bill.

Ex Output:
0


Ex Input:
He let the cats out which were whining.

Ex Output:

1