using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        int[] one_to_ten = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};

        var evens = one_to_ten;

        Console.WriteLine(string.Join(",", evens.Select(x => x.ToString())));

    }

}