modem estimate

using System;

namespace modem
{
    class MainClass
    {
        public static void Main (string[] args)
        {
            Console.WriteLine ("Welcome to the dowload time estimator");
            Console.WriteLine ("This program with help you calculate how much time it will take you to download a file wiht a 56k modem");
            Console.WriteLine ("Enter file size:");
            string MBstr = Console.ReadLine();

            int MBint=(Int32.Parse(MBstr)*1024);
            double secs = MBint / 5.2;
            //TimeSpan t = TimeSpan.FromSeconds( secs );
            //string timestring = string.Format("{0:D2}h:{1:D2}m:{2:D2}s:{3:D3}ms", t.Hours, t.Minutes, t.Seconds, t.Milliseconds);
            int minutes=(int)secs/60;
            int hours = minutes / 60;
            minutes = minutes % 60;
            int seconds = (int)secs % 60;


            Console.WriteLine ("MB:"+MBint+": hours"+ hours+" minutes:" +minutes+" seconds:"+seconds);
        }
    }
}