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:
They praised the volunteers' dedication.

Ex Output:
1


Ex Input:
We loaded onto the bus.

Ex Output:
1


Ex Input:
I read him the figures, but when I looked up, he was gone.

Ex Output:

1