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:
The drunk hugged the lamppost.

Ex Output:
1


Ex Input:
He hasn't often paid taxes, has he?

Ex Output:

1