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

namespace ConsoleApp2
{
    class time_format
    {
        public string format(string s, long k)
        {
            if ((k >= 10) && (k <= 19))
            {
                if (s == "час") return "часов";
                else if (s == "минута") return "минут";
                else return "секунд";
            }
            if (k % 10 == 1) return s;
            else if ((k % 10 >= 2) && (k % 10 <= 4))
            {
                if (s == "час") return "часа";
                else
                {
                    if (s == "минута") return "минуты";
                    else return "секунды";
                }
            }
            else
            {
                if (s == "час") return "часов";
                else if (s == "минута") return "минут";
                else return "секунд";
            }
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            long Time;
            long hours, minuts, seconds;
            Console.WriteLine("введите число");
            Time = int.Parse(Console.ReadLine());
            Console.Clear();
            Console.Write("Осталось ");
            hours = Time / 3600;
            Console.Write(hours);
            time_format t = new time_format();
            Console.Write(" " + t.format("час", hours) + " ");
            minuts = (Time) % 3600 / 60;
            Console.Write(minuts);
            Console.Write(" " + t.format("минута", minuts) + " ");
            seconds = (Time) % 60;
            Console.Write(seconds);
            Console.Write(" " + t.format("секунда", seconds) + " ");
            DateTime Date = DateTime.Now;
            long cur_time = Time;
            while (true)
            {
                DateTime Date1 = DateTime.Now;
                long dif_time = Date1.Hour * 60 * 60 + Date1.Minute * 60 + Date1.Second - Date.Hour * 60 * 60 - Date.Minute * 60 - Date.Second;
                if (dif_time >= Time) break;
                if (Time - dif_time != cur_time)
                {
                    Console.Clear();
                    Console.Write("Осталось ");
                    hours = (Time - dif_time) / 3600;
                    Console.Write(hours);
                    Console.Write(" " + t.format("час", hours) + " ");
                    minuts = (Time - dif_time) % 3600 / 60;
                    Console.Write(minuts);
                    Console.Write(" " + t.format("минута", minuts) + " ");
                    seconds = (Time - dif_time) % 60;
                    Console.Write(seconds);
                    Console.Write(" " + t.format("секунда", seconds) + " ");
                    cur_time = Time - dif_time;
                }
            }
            Console.Clear();
            Console.WriteLine("КОНЕЦ");
        }
    }
}