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:
Did his having played the piano surprise you?

Ex Output:
1


Ex Input:
Was been hit by Bill by the baseball.

Ex Output:
0


Ex Input:
Which problem the sooner that you solve, will the more easily you satisfy the folks up at corporate headquarters?

Ex Output:

0