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:
I searched for treasure in the cave.

Ex Output:
1


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

Ex Output:
1


Ex Input:
Tom ordered bacon, and Dick ordered lettuce, and I think that Harry ordered tomatoes.

Ex Output:

1