budget = int(input())
season = input()
q_fishersman = int(input())


if season == "Spring":
    price = 3000
    if q_fishersman <= 6:
        price = 3000 * 0.9
    elif 7 <= q_fishersman <= 11:
        price = 3000 * 0.85
    elif q_fishersman >= 12:
        price = 3000 * 0.75
        if q_fishersman % 2 == 0:
            price = price * 0.95

elif season == "Summer":
    price = 4200
    if q_fishersman <= 6:
        price = 4200 * 0.9
    elif 7 <= q_fishersman <= 11:
        price = 4200 * 0.85
    elif q_fishersman >= 12:
        price = 4200 * 0.75
        if q_fishersman % 2 == 0:
            price = price * 0.95

elif season == "Autumn":
    if q_fishersman <= 6:
        price = 4200 * 0.9
    elif 7 <= q_fishersman <= 11:
        price = 4200 * 0.85
    elif q_fishersman >= 12:
        price = 4200 * 0.75

elif season == "Winter":
    if q_fishersman <= 6:
        price = 2600 * 0.9
    elif 7 <= q_fishersman <= 11:
        price = 2600 * 0.85
    elif q_fishersman >= 12:
        price = 2600 * 0.75
        if q_fishersman % 2 == 0:
            price = price * 0.95

total = budget - price

if total >= 0:
    print(f"Yes! You have {total:.2f} leva left.")

else:
    total = abs(total)
    print(f"Not enough money! You need {total:.2f} leva.")