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:
Carrie touched the fence with a stick.

Ex Output:
1


Ex Input:
Who did Plato listen to DP Demosthenes' oration about?

Ex Output:
0


Ex Input:
We gave him enough opportunity and, sure enough, every senator succumbed to corruption.

Ex Output:

0