using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        int min = 1;

        int max = 5;

        List<string> codes = new List<string>();

        for(int i = min; i <= max; i++)

        {

            codes.Add($"DS{i:0000}");

        }

        Console.WriteLine(string.Join(";", codes));

    }

}