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:
He looked up it

Ex Output:
0


Ex Input:
The more articles he reads, the fewer people he thinks under the current circumstances will go into linguistics.

Ex Output:
1


Ex Input:
Which boy and the girl embraced?

Ex Output:

0