import java.sql.SQLOutput;
import java.util.Scanner;

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

        double budget=Double.parseDouble(scanner.nextLine());

        double priceHonorar=0;
        while (budget >= priceHonorar) {
            String input=scanner.nextLine();
            if (input.equals("ACTION")) {
                break;
            }
            double income = Double.parseDouble(scanner.nextLine());

            if (input.length() > 15) {
                priceHonorar = budget * 0.2;
                budget = budget - priceHonorar;
                double left = budget - priceHonorar;
                System.out.printf("We are left with %.2f leva.", left);
                break;
            }
            input=scanner.nextLine();
        }

            if (budget < priceHonorar) {
                double need=priceHonorar-budget;
                System.out.printf("We need %.2f leva for our actors.",need);
            }



    }
}