using System;

class Program
{
    static void Main()
    {
        int N = int.Parse(Console.ReadLine());
        double W = double.Parse(Console.ReadLine());
        double L = double.Parse(Console.ReadLine());
        int M = int.Parse(Console.ReadLine());
        int O = int.Parse(Console.ReadLine());

        double obshtaPlosht = N * N;
        double peikaPlosht = M * O;
        double zaPokrivane = obshtaPlosht - peikaPlosht;
        double ploshtPlochki = W * L;
        double neobhodimiPlochki = zaPokrivane / ploshtPlochki;
        double vreme = neobhodimiPlochki * 0.2;

        Console.WriteLine(neobhodimiPlochki);
        Console.WriteLine(vreme);
    }
}