using System;

public class Program

{

    public static void Main()

    {

        string a = "水调歌头明月几时有";

        char[] b = a.ToCharArray(0, a.Length);

        string result="";

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

        {

            result = result + " " +b[i];

        }

        Console.WriteLine(result);

    }

}