This program translates between Arabic (regular numbering) and Roman numerals.
The program asks the user which system they would like to translate a year to (A for Arabic, R for Roman, X to exit the program).
When translating to Roman, the user enters a number in the range of 1000 to 3000 (inclusive). When translating to Arabic, the user enters only the letters I, V, X, L, C, D, M ( 1, 5, 10, 50, 100,500, 1000).
Then the program output the result. The program loops to let the user perform multiple calculations.