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:
Think about linguistics all night, she does think about linguistics all night.

Ex Output:
0


Ex Input:
Gwen exchanged the dress for a shirt.

Ex Output:

1