2016-12-31_13-53-48.txt

        static void Main(string[] args)
        {

            int num = int.Parse(Console.ReadLine());
            int result = Reverse(num);
            Console.WriteLine("Reversed Number : {0}",result);
            Console.ReadKey();
        }

        static int Reverse(int n)
        {
            int result = 0;
            Reverse(n , ref result);
            return result;
        }
        static void Reverse(int n , ref int result)
        {
            if (n != 0)
            {
                int remainder = n % 10;
                result = result * 10 + remainder;
                //recursion
                Reverse(n / 10 , ref result);
            }
        }