ConvertSpeedUnits

using System;

namespace ConvertSpeedUnits
{
    class MainClass
    {
        public static void Main (string[] args)
        {
            float distance = int.Parse (Console.ReadLine ());
            int hours = int.Parse(Console.ReadLine ());
            int minutes = int.Parse(Console.ReadLine ());
            int seconds = int.Parse(Console.ReadLine ());

            float metersPerSeconds = distance / (hours * 60 * 60 + minutes * 60 + seconds);
            float kilometersPerHours = (distance / 1000.0f) / (hours + minutes / 60.0f + seconds / 3600.0f);
            float milesPerHours = (distance / 1609.0f) / (hours + minutes / 60.0f + seconds / 3600.0f);


            Console.WriteLine (metersPerSeconds);
            Console.WriteLine (kilometersPerHours);
            Console.WriteLine (milesPerHours);
        }
    }
}