using System;

​

public class Program

{

    public static void Main()

    {

        int i = 100;

        int j = i + 20; 

        Console.WriteLine("j = {0}", j);

        i = 200;

        j = i + 20; 

        Console.WriteLine("j = {0}", j);

        i = 300;

        Console.WriteLine("j = {0}", j);  

​

    }

}