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: The room was silent.

Output: Original


Input: Consider Input: It's still early and the corridors in this more populated section are relatively deserted.

Output: Original


Input: Consider Input: Twenty feet from the crater is a muscled single arm with no sign of a body.


Output: Inversion