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:
I think it's time you give your lovely illness to someone else!

Ex Output:
1


Ex Input:
Willy is taller than I know a boy who is.

Ex Output:
0


Ex Input:
Reports on the covers of which the government prescribes the height of the lettering almost always put me to sleep.

Ex Output:

0