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: he asked, devouring his first piece and starting on a second.

Output: Original


Input: Consider Input: Nikolas Jack and exchanged a smirk.

Output: Inversion


Input: Consider Input: The rooms school at were open from 6.30 AM until midnight to all students to practise what they needed.


Output: Inversion