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 can kicking the ball.

Ex Output:
0


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

Ex Output:
1


Ex Input:
The thief chased.

Ex Output:

0