using System;

public class Program

{

    public static void Main()

    {

        DateTime a = new DateTime(2023, 12, 22, 00, 30, 0);

        string input = a.ToString("HH");

        string result = input.TrimStart('0');

        if (string.IsNullOrEmpty(result)){

            result = "0";

        }

        Console.WriteLine(input);

        Console.WriteLine(result);

    }

}