06. Charity Campaign

import java.util.Scanner;

public class CharityCampaign {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int Days   = Integer.parseInt(scanner.nextLine());
        int Chefs  = Integer.parseInt(scanner.nextLine());
        int Cake   = Integer.parseInt(scanner.nextLine());
        int Sweets1= Integer.parseInt(scanner.nextLine());
        int Sweets2= Integer.parseInt(scanner.nextLine());

        double Cake1     = Cake*45;
        double Sweets11  = Sweets1*5.80;
        double Sweets22  = Sweets2*3.20;

        double Fin1     = (Cake1+Sweets11+Sweets22)*Chefs;
        double Fin2     = Fin1*Days;
        double Fin3     = Fin2/8;
        double Fin4     = Fin2-Fin3;

        System.out.printf("%.2f", Fin4);

    }
}