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:
They said nobody would pay up, but I know a boy who did pay up.

Ex Output:
1


Ex Input:
Rome destroyed Carthage.

Ex Output:
1


Ex Input:
I only eat fish drunk raw.

Ex Output:

0