Charity Event

import java.util.Scanner;

public class Charity {
    public static void main(String[] args) {
        Scanner scan = new Scanner (System.in);
        int eventDays = Integer.parseInt (scan.nextLine ());
        int bakers = Integer.parseInt (scan.nextLine ());
        int cakes = Integer.parseInt (scan.nextLine ());
        int waffles = Integer.parseInt (scan.nextLine ());
        int pancakes = Integer.parseInt (scan.nextLine ());
        double cakeMoney = cakes * 45;
        double waffleMoney = waffles * 5.80;
        double pancakesMoney = pancakes * 3.20;
        double makesPerDay = cakeMoney + waffleMoney + pancakesMoney;
        double sumAllBakersPerDay = makesPerDay * bakers;
        double sumAllDays = sumAllBakersPerDay * eventDays;
        double expenses = sumAllDays / 8;
        double profit = sumAllDays - expenses;
        System.out.printf("%.02f", profit);

    }
}