package BasicSyntaxConditionalsStatementsAndLoops;

import java.util.Scanner;

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

        int lostGameCount = Integer.parseInt(scanner.nextLine());
        double headsetPrice = Double.parseDouble(scanner.nextLine());
        double mousePrice = Double.parseDouble(scanner.nextLine());
        double keyboardPrice = Double.parseDouble(scanner.nextLine());
        double displayPrice = Double.parseDouble(scanner.nextLine());
        double totalPrice = 0;
        int counter = 0;
        int counterLostgames = 0;

        for (int i = 1; i <= lostGameCount; i++) {
            counterLostgames ++;
            if (i % 2 == 0) {
                totalPrice += headsetPrice;
                if (counterLostgames % 3 == 0) {
                    totalPrice += mousePrice;
                    totalPrice += keyboardPrice;
                    counter ++;
                    if (counter == 2) {
                        totalPrice += displayPrice;
                        counter = 0;
                    }
                } continue;
            }
            if (i % 3 == 0) {
                totalPrice += mousePrice;
            }
        }System.out.printf("Rage expenses: %.2f lv.", totalPrice);
    }
}