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 could might go

Ex Output:
0


Ex Input:
Who did you like and John?

Ex Output:
0


Ex Input:
That Sam didn't pick those packages which are to be mailed tomorrow up is possible.

Ex Output:

0