static void SimpleDeconvert()
        {
            Console.Clear();
            Console.WriteLine("Enter the roman number you wish to convert to decimal:");
            string input = Console.ReadLine();

            Console.WriteLine(Environment.NewLine + "RESULT:");
            Console.WriteLine(RomanConverter.ToDecimal(input).ToString());
        }
        static void SimpleConvert()
        {
            string input  = "INVALID";
            long   result = 0;

            while (!long.TryParse(input, out result))
            {
                Console.Clear();
                Console.WriteLine("Enter the number you wish to convert:");
                input = Console.ReadLine();
            }

            Console.WriteLine(Environment.NewLine + "RESULT:");
            Console.WriteLine(RomanConverter.ToRoman(result, true));
        }