using System;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        var value = "a ack fghjy fghfh asn";

        var arr = value.Split();

        // string result = String.Join(" ", arr.OrderBy(itm=>itm));

        Array.Sort(arr);

        string result = String.Join(" ", arr);

        Console.WriteLine(result);

    }

}