using System;

    public class Program

    {

        public static  void Main()

        {

            int i,Sum=0;

            for (i=2;i<50;i=i+2)

            {

                Console.Write(" {0} ",i);

                Sum=Sum+i;

            }

            {

            Console.WriteLine("\n{0}",Sum);

            }

        }

​

    }