ProgBasicsExam22and23December2018-E01christmasSweets

import java.util.Scanner;

public class E01christmasSweets {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        double baklavaPrice = Double.parseDouble(scanner.nextLine());
        double muffinPrice = Double.parseDouble(scanner.nextLine());
        double coockiesPrice = 7.50;
        double candysPrice = muffinPrice * 1.8;
        double shtolensPrice = baklavaPrice * 1.6;

        double shtolens = Double.parseDouble(scanner.nextLine());
        double candys= Double.parseDouble(scanner.nextLine());
        double coockies = Double.parseDouble(scanner.nextLine());


        double total = (coockies * coockiesPrice) + (candys * candysPrice) + (shtolens * shtolensPrice);


        System.out.printf("%.2f", total);


    }
}