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 washed yourself.

Ex Output:
0


Ex Input:
Every politician is worried when the press starts attacking him.

Ex Output:
1


Ex Input:
Brian was wiping the wall behind the stove.

Ex Output:

1