using System;

public class Program

{

    public static void Main(string[] args)

    {

        Console.Write("Input N: ");

        int n =int.Parse(Console.ReadLine());

        while (n <= 1 )

        {

         Console.Write("Input N Again: ");

         n =int.Parse(Console.ReadLine());  

        }

        for(int i = 2; i <=n; i++)

        {

         if(i % 2 ==0)

         {

         if(n % i == 0) 

         {

          Console.Write("{0} " ,i);

         }

​

         }   

        }

    }

}