import java.util.Scanner;

public class FlowerShop {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        double magnoliaPrice = 3.25;
        int hyacinthsPrice = 4;
        double rosesPrice = 3.5;
        int cactusPrice = 8;

        int magnoliaCount = Integer.parseInt(scan.nextLine());
        int hyacinthsCount = Integer.parseInt(scan.nextLine());
        int rosesCount = Integer.parseInt(scan.nextLine());
        int cactusCount = Integer.parseInt(scan.nextLine());
        double giftPrice = Integer.parseInt(scan.nextLine());

        double totalPrice = magnoliaCount * magnoliaPrice + hyacinthsCount * hyacinthsPrice +  rosesCount * rosesPrice +
                cactusCount * cactusPrice;

        double taxes = totalPrice - (totalPrice * 0.05);

        if (totalPrice <= giftPrice) {
            System.out.printf("She is left with %.2f leva.", Math.floor(totalPrice - taxes));
        } else {
            System.out.printf("She will have to borrow %.2f leva.", Math.floor(giftPrice - taxes));
        }
    }
}