import java.util.Scanner;

/**
 * Created by Niki on 23.2.2017 г..
 */
public class exp4 {
    public static void main(String[] args) {
        Scanner console = new Scanner(System.in);

        double n = Double.parseDouble(console.nextLine());

        double wight = Double.parseDouble(console.nextLine());
        double height = Double.parseDouble(console.nextLine());

        double spot = Double.parseDouble(console.nextLine());
        double spot1 = Double.parseDouble(console.nextLine());

        double area = n * n - spot * spot1;
        double areamaterial = wight * height;

        double total = area / areamaterial;
        double timetoFinish = total * 0.2;

        System.out.println(total);
        System.out.println(timetoFinish);


    }
}