using System;

public class Program

{

    public static void Main()

    {

                int[] tmp = new int[10];

        int sum=0;

        for (int i = 0; i < tmp.Length; i++)

        {

            Console.WriteLine("please enter numbers");

            tmp[i] = int.Parse(Console.ReadLine());

        }

        for (int i = 0; i < tmp.Length; i++)

        {

            sum=tmp[i];

            if (sum%2==0)

            Console.WriteLine(sum); 

        }

        for (int i = 0; i < tmp.Length; i++)

        {

            int sum1=tmp[i];

        if (i%2==0)

            Console.WriteLine(sum1);

        }

    }

}