using System;

public class Program

{

    public static void Main()

    {

        int i = 10, j = 20;

​

        if (i != j)

        {

            if (i < j)

            {

                Console.WriteLine("i is less than j");

            }

            else if (i > j)

            {

               Console.WriteLine("i is greater than j");

            }

        }

        else

            Console.WriteLine("i is equal to j");

    }

}