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:
Why can't the man who usually cuts the grass do so today?

Ex Output:
1


Ex Input:
To him presented itself a wonderful opportunity.

Ex Output:
0


Ex Input:
That whole wheat flour bakes wonderful bread.

Ex Output:

1