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: How he'd felt about skipping two grades.

Output: Original


Input: Consider Input: I opened the wallet, and regretted immediately it.

Output: Inversion


Input: Consider Input: It wasn't anything he did ; it was something that he was.


Output: Original