TheaThePhotographer

using System;

namespace TheaThePhotographer
{
    class Photographer
    {
        static void Main(string[] args)
        {
            int numberOfPicture = int.Parse(Console.ReadLine().Trim());
            long timeToFilterInSeconds = long.Parse(Console.ReadLine().Trim());
            double filterFactor = double.Parse(Console.ReadLine().Trim())/100;
            int uploadedTime = int.Parse(Console.ReadLine().Trim());

            timeToFilterInSeconds *= numberOfPicture;
            filterFactor = Math.Ceiling(numberOfPicture * filterFactor);
            filterFactor *= uploadedTime;
            filterFactor += (double)timeToFilterInSeconds;
            long totalTime = (long)filterFactor;

            string timeOrderedPicture = string.Empty;
            long partOfTime = 0;
            for (int i = 0; i<2; i++)// при i = 0 - секунди; i = 1 - минути;
            {
                partOfTime = totalTime % 60;
                timeOrderedPicture = $":{partOfTime:D2}{timeOrderedPicture}";
                totalTime /= 60;
            }
            partOfTime = totalTime % 24;
            timeOrderedPicture = $":{partOfTime:D2}{timeOrderedPicture}";
            totalTime /= 24;

            Console.WriteLine($"{totalTime:D1}{timeOrderedPicture}"); //Добавяш дните към стринга
        }
    }
}