import java.util.Scanner;

public class MovieStars_05 {
    public static void main(String[] args) {

        Scanner sccanner = new Scanner(System.in);

        double budget = Double.parseDouble(sccanner.nextLine());
        String input = sccanner.nextLine();


        while (!input.equals("ACTION")){
            String name = input;

            int length = name.length();

            if (length < 15) {
                double price = Double.parseDouble(sccanner.nextLine());
                budget -= price;
            }
            else {
                budget = budget - (0.20 * budget);
            }
            if (budget <= 0) {
                double needed = Math.abs(budget);
                System.out.printf("We need %.2f leva for our actors.", needed);
                break;
            }
            name = sccanner.nextLine();

        }

        if (budget > 0){
            System.out.printf("We are left with %.2f leva.", budget);
        }



    }
}