03.harvest

import math

field = int(input())  # 650
harvest = float(input())  # 2
liters_wine = int(input())  # 175
workers = int(input())  # 3

grapes = field * harvest  # 1300
wine = (grapes * 0.40) / 2.5

left = math.ceil(wine - liters_wine)
per_person = math.ceil(left / workers)

need = abs(math.floor(left))

if wine >= liters_wine:
    print(f'Good harvest this year! Total wine: {wine:.0f} liters.\n{left:.0f} liters left -> {per_person:.0f} liters per person.')
else:
    print(f'It will be a tough winter! More {need:.0f} liters wine needed.')