Wedding Party

guests = int(input())
budget = int(input())

budget -= guests * 20

if budget < 0:
    print(f"They won't have enough money to pay the covert. They will need {abs(budget)} lv more.")
else:
    print(f"Yes! {round(0.40 * budget)} lv are for fireworks and {round(0.60 * budget)} lv are for donation.")