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: His beard was ferocious and untended.

Output: Original


Input: Consider Input: The dirty plates on the table in front of them, the two empty chairs, and the pot of coffee indicated all we were anticipated.

Output: Inversion


Input: Consider Input: Following the Freedom Trail they went by several key historical landmarks such as the sight of the Boston Massacre and the Old State House.


Output: Original