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: They praised the volunteers' dedication.

Output: 1


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

Output: 0


Input: Consider Input: Brian wiped the fingerprints from outside the cupboard.


Output: 1