package ProgrammingBasicsExam;

import java.util.Scanner;

public class AgencyProfit {
    public static void main(String[] args) {
        Scanner scanner= new Scanner(System.in);
        String name=scanner.nextLine();
        int numTicket=Integer.parseInt(scanner.nextLine());
        int numChildrenTicket=Integer.parseInt(scanner.nextLine());
        double priceTicket=Double.parseDouble(scanner.nextLine());
        double pricePrice=Double.parseDouble(scanner.nextLine());
        double numOneChildren=priceTicket*0.30;
        double priceOld=priceTicket+pricePrice;
        double priceChildren=numOneChildren+pricePrice;
        double totalPrice=(numChildrenTicket*priceChildren)+(numTicket*priceOld);
        double profit=totalPrice-=totalPrice*0.80;
        System.out.printf("The profit of your agency from %s, tickets is %.2f lv.",profit);



    }
}