static void Main(string[] args) { Console.WriteLine("Enter First Roman Number : "); var firstValue = Console.ReadLine(); Console.WriteLine("Enter Second Roman Number : "); var secondNumber = Console.ReadLine(); INumberConverter romanToNumbers = new NumberConverter(); IInputValidator inputValidator = new InputValidator(); ICalculator calculator = new Calculator(); IProcessor processor = new Processor(calculator, inputValidator, romanToNumbers); Console.WriteLine("Sum of Two Numbers : " + processor.AddRomanNumbers(firstValue, secondNumber)); Console.ReadKey(); }