19. Thea The Photographer

using System;
using System.Numerics;

namespace _17.DifferentIntegersSize
{
    class DifferentIntegersSize
    {
        static void Main()
        {
            int totalPic = int.Parse(Console.ReadLine());
            int filterTime = int.Parse(Console.ReadLine());
            double precent = double.Parse(Console.ReadLine());
            int uploadTime = int.Parse(Console.ReadLine());

            double makepercent = precent / 100.0;
            int GoodPictures = (int)Math.Ceiling(totalPic * makepercent);
            long goodPictureUpload = GoodPictures * (long)uploadTime;
            long allPictureFilter = totalPic * (long)filterTime;
            long TotalTimeToComplete = goodPictureUpload + allPictureFilter;

            TimeSpan result = TimeSpan.FromSeconds(TotalTimeToComplete);
            string fromTimeString = result.ToString(@"d\:hh\:mm\:ss");
            Console.WriteLine(fromTimeString);
        }
    }
}