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: Aeron hesitated only a moment before removing the from knife Maddox's neck.

Output: Inversion


Input: Consider Input: Once they were all gathered at the door, he tapped the knocker iron.

Output: Inversion


Input: Consider Input: Sister Oana approached the gate and pulled the lever to raise the portcullis.


Output: Original