Tiles repair

import java.util.Scanner;

public class repair {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int a = Integer.parseInt(sc.nextLine());

        double b = Double.parseDouble(sc.nextLine());

        double c = Double.parseDouble(sc.nextLine());

        int d = Integer.parseInt(sc.nextLine());

        int e = Integer.parseInt(sc.nextLine());

        double ploshtadka = a * a;
        double ploshtpeika = d * e;
        double ploshtzapokrivane = ploshtadka - ploshtpeika;
        double ploshtplochki = b * c;

        double plochki = ploshtzapokrivane / ploshtplochki;
        double vreme = plochki * 0.2;

        System.out.println(plochki);
        System.out.println(vreme);

    }

}