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 lateness this morning was stroke a of luck.

Output: Inversion


Input: Consider Input: A little sunlight came from the window and landed on painting the of the sun on the portrait.

Output: Inversion


Input: Consider Input: He sat near the end of the wall, near the names of those killed in 1972.


Output: Original