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:
Our neighbor takes his children to school in his car.

Ex Output:
1


Ex Input:
Spray the paint onto the wall completely.

Ex Output:
1


Ex Input:
I would prefer that he have not finished.

Ex Output:

0