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:
No candidate can predict how many people will vote for him.

Ex Output:
1


Ex Input:
Mary believed his to have loved her.

Ex Output:
0


Ex Input:
Sharon flinched at the sight of the accident.

Ex Output:

1