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 police read the detainees' rights to them, but not a single one was paying attention.

Ex Output:
1


Ex Input:
Penny rowed across the lake.

Ex Output:
1


Ex Input:
Bill would be easy for it to become expensive for you to chat with in Moscow.

Ex Output:

0