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:
The harder that it rains, how much faster a flow do you see in the river?

Ex Output:
1

Ex Input:
Did his having played the piano surprise you?

Ex Output:
1

Ex Input:
John is prouder of having gone than I expected you to believe he would be of not having fallen asleep.

Ex Output:
1