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: Elias kept hitting balls the in one by one.

Output: Inversion


Input: Consider Input: Here he comes on stage.

Output: Original


Input: Consider Input: The man noticed their interest and over walked.


Output: Inversion