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 believes that nothing is arranged, but everything an is arrangement.

Output: Inversion


Input: Consider Input: The chief called to drivers the to come get their cars.

Output: Inversion


Input: Consider Input: The window was frosted and filthy.


Output: Original