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:
Mary got heard to insult her parents.

Ex Output:
0


Ex Input:
I will if I can work on it.

Ex Output:
0


Ex Input:
Brenda and Molly agreed.

Ex Output:

1