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:
The ship's sinking to collect the insurance was very devious.

Ex Output:
0


Ex Input:
Catherine feared that was the Abbey haunted.

Ex Output:

0