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:
Maggie hurried her sister.

Ex Output:
1


Ex Input:
There is a hole in the rug which Toby bought in Boston.

Ex Output:
1


Ex Input:
I lost a Japanese slide rule, and the fact that Peter now has one I regard with suspicion.

Ex Output:

1