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 exploded when and I warned you it would?

Ex Output:
0


Ex Input:
Some branches broke off of the tree.

Ex Output:
1


Ex Input:
Mickey and Roger have signed, and Whitey will tomorrow.

Ex Output:

1