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 searched for treasure in the cave.

Ex Output:
1


Ex Input:
Willy is taller than Bill by 7 millimeters.

Ex Output:
1


Ex Input:
The dog that the rat bit chased the cat.

Ex Output:

1