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:
Although Bob may not be a nut, many people have claimed and I think so too.

Ex Output:
0


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

Ex Output:
1


Ex Input:
The train reached the station.

Ex Output:

1