using System;

​

namespace _11ConvertSpeedUnits

{

    class Program

    {

        static void Main(string[] args)

        {

            int dist = int.Parse(Console.ReadLine());

            int h = int.Parse(Console.ReadLine());

            int m = int.Parse(Console.ReadLine());

            int s = int.Parse(Console.ReadLine());

​

            int time = h * 3600 + m * 60 + s;

​

            float MInSecond = (float)dist / time;

            float KmInHour = ((float)dist / 1000) / ((float)time / 3600);

            float MilesInHour = ((float)dist / 1609) / ((float)time / 3600);

​

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

        }

    }

}