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:
The politician denied how the opponent was poisoned.

Ex Output:
0


Ex Input:
Wanda taught the students that the earth was round.

Ex Output:
1


Ex Input:
Light was made of her indiscretions.

Ex Output:

0