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:
Which packages didn't Sam pick up which are to be mailed tomorrow until it had stopped raining?

Ex Output:
0


Ex Input:
He kicked herself

Ex Output:
0


Ex Input:
Cynthia ate the peach with a fork.

Ex Output:

1