using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication192_16_
{
    class Program
    {
        static void Main(string[] args)
        {
            int hours = 0;
            int minutes = 0;
            int seconds = 0;
            while (hours<=24)
            {
                if (hours == 24)
                    hours = 0;
                while (minutes<60)
                {
                    if (minutes == 60)
                    {
                        hours++;
                        minutes = 0;
                    }
                    while (seconds < 60)
                    {
                        seconds++;
                        if (seconds == 60)
                        {
                            minutes++;
                            seconds = 0;
                        }
                    }
                }
            }
        }
    }
}