CharityCompaign

import java.util.Scanner;

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

        //1. read how many days
        //2. number of Chefs
        //3. number of cakes prepared per 1 Chef perr 1 day
        //4. number of wafels prepared per Chef per 1 day
        //5. number of pancakes prepared per 1 Chef per 1 day
        //6. price list - 1 cake = 45lv., 1 wafel = 5.80lv., 1 pancake = 3.20lv.
        //7.  1/8 of the total amount is covering the product costs
        //8.  Write the remaining amount -> to be donated round off %.2f

        int numberOfDays = Integer.parseInt (scanner.nextLine());
        int numberOfChefs = Integer.parseInt (scanner.nextLine());
        int numberOfcakesPCPD = Integer.parseInt (scanner.nextLine());
        int numberOfwafelsPCPD = Integer.parseInt (scanner.nextLine());
        int numberOfPancakesPCPD = Integer.parseInt (scanner.nextLine());
        double totalPriceOfCakes = numberOfDays * numberOfChefs * numberOfcakesPCPD * 45;
        double totalPriceOfWafels = numberOfDays * numberOfChefs * numberOfwafelsPCPD * 5.80;
        double totalPriceOfPancakes = numberOfDays * numberOfChefs * numberOfPancakesPCPD * 3.20;
        double grandTotalOfSweets = ( totalPriceOfCakes + totalPriceOfPancakes + totalPriceOfWafels );
        double totalToDoante = grandTotalOfSweets - ( grandTotalOfSweets * 0.125);

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



    }
}