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

namespace _11ConvertSpeedUnits
{
    class Program
    {
        static void Main(string[] args)
        {
            int dist = int.Parse(Console.ReadLine());
            double h = double.Parse(Console.ReadLine());
            double m = double.Parse(Console.ReadLine());
            double s = double.Parse(Console.ReadLine());

            double time = h*3600+m*60.0+s;

            double MInSecond = dist / time;
            double KmInHour = (dist/1000.0)/(time/3600);
            double MilesInHour = (dist/1609.0)/(time/3600);




            Console.WriteLine($"{MInSecond:0.#######}\n{KmInHour:0.#######}\n{MilesInHour:0.#######}");

        }
    }
}