using System;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        string input = Console.ReadLine();

​

        string[] tokens = input.Split(' ');

​

        List<int> numbers = new List<int>();

​

        foreach (string token in tokens)

        {

            int number = int.Parse(token);

            numbers.Add(number);

        }

​

        foreach (int number in numbers)

        {

            if (number % 2 == 0)

            {

                Console.Write(number + " ");

            }

        }

    }

}

​