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:
We rummaged important documents in the drawer.

Ex Output:
0


Ex Input:
The writers could so believe the boy.

Ex Output:
1


Ex Input:
It was this hat that Tom said Al thought you wanted me to make Jack put on.

Ex Output:

1