In this task you are given a sentence. You must judge whether there exist two consecutive words within the sentence with flipped orders, that is, whether the sentence will make sense and be correct if the order of two consecutive words changes. Label the instances as "Inversion" or "Original" based on your judgment.

Input: Consider Input: He got himself dressed and made his way down the hallway, unsure of whether he should open Vanya's door and check on her or not.

Output: Original


Input: Consider Input: That was the only thing that mattered now.

Output: Original


Input: Consider Input: She walked away without looking back.


Output: Original