using System;

public class Program

{

    public static void Main()

    {

         int B, F, A, D;

​

            A = 5;

            D = A * 2;

            F = A + D;

            B = A + F;

​

            Console.WriteLine("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");

            Console.WriteLine();

            Console.WriteLine("A = " + A);

            Console.WriteLine("B = " + B);

            Console.WriteLine("C = " + F);

            Console.WriteLine("D = " + D);

            Console.WriteLine();

            Console.WriteLine("or");

            Console.WriteLine();

            Console.WriteLine("A = {0}, B = {1}, C = {2}, D = {3}.",A,B,F,D);

            Console.WriteLine();

            Console.WriteLine("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");

            Console.ReadLine();

    }

}