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:
What kind cf parakeets are they investigating all people owning?

Ex Output:
0


Ex Input:
Susan gave the ball halfway to Bill.

Ex Output:
0


Ex Input:
I read that Bill had seen me.

Ex Output:

1