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 often kisses Mary.

Ex Output:
1


Ex Input:
Who did he believe the claim that he had never met?

Ex Output:
0


Ex Input:
The wall banged with the grocery cart.

Ex Output:

0