new house

type_flowers = str(input())
number_flowers = int(input())
budget = int(input())

whole_price = 0

if type_flowers == 'Roses':
    if number_flowers > 80:
        whole_price = number_flowers * 5
        whole_price *= 0.9

    elif number_flowers <= 80:
        whole_price = number_flowers * 5

if type_flowers == 'Dahlias':
    if number_flowers > 90:
        whole_price = number_flowers * 3.85
        whole_price *= 0.85

    elif number_flowers <= 90:
        whole_price = number_flowers * 3.85

if type_flowers == 'Tulips':
    if number_flowers > 80:
        whole_price = number_flowers * 2.80
        whole_price *= 0.85

    elif number_flowers <= 80:
        whole_price = number_flowers * 2.80

if type_flowers == 'Narcissus':
    if number_flowers >= 120:
        whole_price = number_flowers * 3

    elif number_flowers < 120:
        whole_price = number_flowers * 3
        whole_price *= 1.15


if type_flowers == 'Gladiolus':
    if number_flowers >= 80:
        whole_price = number_flowers * 2.50


    elif number_flowers < 80:
        whole_price = number_flowers * 2.50
        whole_price *= 1.2

difference = abs(whole_price - budget)

if whole_price >= budget:
    print(f"Not enough money, you need {difference:.2f} leva more.")
else:
    print(f"Not enough money, you need {difference:.2f} leva more.")