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: Finally, we have cells solar or more formally, photovoltaic cells.

Output: Inversion


Input: Consider Input: Why were The Operatives no longer allowed in the East Wing ?

Output: Original


Input: Consider Input: The button had been pushed.


Output: Original