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:
It is of physics.

Ex Output:
0


Ex Input:
I shipped the package all the way around the world.

Ex Output:
1


Ex Input:
We like our friends and they like their friends, too.

Ex Output:

1