09. Padawan Equipment

import java.util.Scanner;

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

    double money = Double.parseDouble(sc.nextLine());
    int students = Integer.parseInt(sc.nextLine());
    double saberPrice = Double.parseDouble(sc.nextLine());
    double robePrice = Double.parseDouble(sc.nextLine());
    double beltPrice = Double.parseDouble(sc.nextLine());
    double totalPrice = 0.0;

    int freeBelts = students / 6;

    totalPrice = (Math.ceil(students * 1.1) * saberPrice) + students * robePrice + (students - freeBelts) * beltPrice;




    if(money >= totalPrice) {
      System.out.printf("The money is enough - it would cost %.2flv.", totalPrice);
    } else {
      System.out.printf("Ivan Cho will need %.2flv more.", totalPrice - money);
    }


  }
}