using System;

public class Program

{

    public static void Main()

    {

​

        Console.WriteLine("Enter first number: ");

        int num1 = Convert.ToInt32(Console.ReadLine());

​

​

        Console.WriteLine("Enter last number: ");

        int num2 = Convert.ToInt32(Console.ReadLine());

​

        while(num1>=num2)

        {

            Console.WriteLine("Last number must be larger than first number, please enter again: ");

            num2 = Convert.ToInt32(Console.ReadLine());

        }

​

​

        Console.WriteLine("Enter factor: ");

        int fac = Convert.ToInt32(Console.ReadLine());

​

        while (num1 <= num2)

        {

            if(num1%fac == 0)

            {

                Console.WriteLine(num1);

            }

            num1++;

        }

​

    }

}