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:
Heather cabled for Sara to come.

Ex Output:
1


Ex Input:
Sharon shivered from fear.

Ex Output:
1


Ex Input:
What the stone did to the wall was hit it.

Ex Output:

0