using System;

public class Program

{

    public static void Main()

    {

            int firstNum, secNum;

        Console.WriteLine("Please enter your first number :");

        firstNum = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Please enter your second number :");

        secNum = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Even Numbers :");

        if (firstNum >= secNum)

            {

                Console.Write("nImproper Input");

            }            

​

            while (firstNum <= secNum)

            {

                if (firstNum % 2 == 0)

                {

                    Console.Write(firstNum + "\n");

                                }

                firstNum = firstNum + 1;

            }

    }  

​

}

​