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:
the logs piled the barge high.

Ex Output:
0


Ex Input:
Harry coughed us into a fit.

Ex Output:
0


Ex Input:
What did you meet someone who understands?

Ex Output:

0