Roman Numerals

Problem Statement

Given a number X, convert it to Roman numerals.

Input

A number X is given in decimal notation (1 ≤ X ≤ 100).

Output

Output X in Roman numerals.

Example

[{'input': '4', 'output': 'IV'}, {'input': '19', 'output': 'XIX'}, {'input': '46', 'output': 'XLVI'}]