Using roman numerals the numbers are written as
IX. Numbers are
Any number smaller than can be written by converting tens and ones
separately and concatenating the results. So, for example, the number
would be written as
XL for and
VIII for .
Given a number written in roman numerals, rearrange its characters so that you create the smallest possible number, written in roman numerals.
The first and only line of input contains one integer , written using roman numerals.
The first and only line of output should contain a rearrangement of input characters so that it represents the smallest possible number, written in roman numerals.
Sample Input 1
Sample Output 1
Sample Input 2
Sample Output 2
Sample Input 3
Sample Output 3