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:
John is likely to be kept on participants.

Ex Output:
0


Ex Input:
Mary gets depressed when she listens to the Grateful Dead.

Ex Output:
1


Ex Input:
Every woman standing under that tree, whoever she may be, is Mary's friend.

Ex Output:

0