04. Fishing Boat

budget = int(input())
season = input()
fishers = int(input())
boat = 0

if season == "Spring":
    boat = 3000
elif season == "Summer" or season == "Autumn":
    boat = 4200
else:
    boat = 2600

if fishers <= 6:
    boat *= 0.9
elif 7 <= fishers <= 11:
    boat *= 0.85
else:
    boat *= 0.75

if fishers % 2 == 0:
    if season != "Autumn":
        boat *= 0.95

if budget >= boat:
    print(f"Yes! You have {budget - boat:.2f} leva left.")
else:
    print(f"Not enough money! You need {boat - budget:.2f} leva.")