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:
The ball rolled the hill.

Ex Output:
0


Ex Input:
Who believes anything that who says?

Ex Output:
1


Ex Input:
It is important the more you eat, the more careful to be.

Ex Output:

0