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: Every student has to come up with three arguments that show that some condition proposed by Bill is wrong.

Output: 1


Input: Consider Input: What exploded when and I warned you it would?

Output: 0


Input: Consider Input: Some tourists visited all the museums.


Output: 1