using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        string[] stringArray=new string[]

        {

            "D",

            "A",

            "Z",

            "C",

            "R"

        };

        var sort=from sa in stringArray orderby sa select sa;

        foreach(string c in sort)

        {

            Console.WriteLine(c);

        }       

    }

}