import java.util.Scanner;

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

        int guests = Integer.parseInt(scanner.nextLine());
        int budget = Integer.parseInt(scanner.nextLine());

        int expenses = guests * 20;

        if (budget >= expenses){
            int moneyLeft = budget - expenses;
            double fireworks = moneyLeft * (40 / 100.0);
            double charity = moneyLeft - fireworks;

            System.out.printf("Yes! %.0f lv are for fireworks and %.0f lv are for donation.", fireworks, charity);
        }else{
            int moneyNeeded = expenses - budget;
            System.out.printf("They won't have enough money to pay the covert. They will need %d lv more.", moneyNeeded);
        }
    }
}