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:
Enrico, who is the smartest of us all, got the answer in seven seconds.

Ex Output:
1


Ex Input:
How do you wonder whether John said Mary solved the problem?

Ex Output:
0


Ex Input:
Her efficient looking of the answer up pleased the boss.

Ex Output:

0