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'.

Input: Consider Input: What do you believe that iron is to be a fact well known to virtually everybody?

Output: 0


Input: Consider Input: Fruit dropped from the tree.

Output: 1


Input: Consider Input: The richer he gets, the more John meets geniuses.


Output: 0