Alcohol Market

import java.util.Scanner;

public class AlcoholMarket {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double priceOfWhiskey = Double.parseDouble(scanner.nextLine());
        double beer = Double.parseDouble(scanner.nextLine());
        double wine = Double.parseDouble(scanner.nextLine());
        double R = Double.parseDouble(scanner.nextLine());
        double whiskey = Double.parseDouble(scanner.nextLine());

        double priceOfR = priceOfWhiskey/2;
        double priceOfBeer = priceOfR - (0.8*priceOfR);
        double priceOfWine = priceOfR - (0.4*priceOfR);

        double sumR = R * priceOfR;
        double sumWine = wine * priceOfWine;
        double sumBeer = beer * priceOfBeer;
        double sumWhiskey = whiskey * priceOfWhiskey;

        double sum = sumBeer + sumR + sumWhiskey + sumWine;
        System.out.printf("%.2f",sum);

    }
}