using System;

​

public class Program

{

    public static void Main()

    {

        int i, count = 0;

        Console.WriteLine("enter a number");

        for (i = int.Parse(Console.ReadLine()); count <= 10; count++)

        {

            if (i % 2 == 0)

                Console.WriteLine(i);

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

        }

    }

}