Use STDIN and STDOUT for the input and output.

Submit your test input files to enable quick grading.

(PLEASE NOTE THAT YOUR TEST INPUT FILES SHOULD HAVE THE .txt FILE EXTENSION.)

IN C LANGUAGE

Roman Numerals Filename: ROMAN Roman numerals are an ancient numbering system. If you are unfamiliar with roman numerals, refer to the sheet at the back of the problem set. The Problem: Add two roman numerals, expressing the result in roman numerals. The Input: Several pairs of roman numerals. Only the capital letters I, V, X, L, C, D and M will be used. Each roman numeral will be on a separate line, starting in column one. The roman numerals and their sums are guaranteed to be within the range of 1 to 3999, inclusive. The Output: For each pair of roman numerals, print the sum, expressed in roman numerals. (Capital letters only, please.) Sample Input: MI VI XXIII XXVII MCMLXXXIV DXIV Sample Output: IX MMCDXCVIII Roman Numerals Filename: ROMAN Roman numerals are an ancient numbering system. If you are unfamiliar with roman numerals, refer to the sheet at the back of the problem set. The Problem: Add two roman numerals, expressing the result in roman numerals. The Input: Several pairs of roman numerals. Only the capital letters I, V, X, L, C, D and M will be used. Each roman numeral will be on a separate line, starting in column one. The roman numerals and their sums are guaranteed to be within the range of 1 to 3999, inclusive. The Output: For each pair of roman numerals, print the sum, expressed in roman numerals. (Capital letters only, please.) Sample Input: MI VI XXIII XXVII MCMLXXXIV DXIV Sample Output: IX MMCDXCV