3. Harvest

from math import floor
from math import ceil

x_square_meters_grapes = int(input())
y_kg_grape_for_square_meter = float(input())
z_needed_liters_wine = int(input())
number_workers = int(input())

grape_amount = x_square_meters_grapes * y_kg_grape_for_square_meter
wine_amount = ((0.4 * grape_amount) / 2.5)

diff = abs(wine_amount - z_needed_liters_wine)

if wine_amount >= z_needed_liters_wine:
    diff = ceil(diff)
    wine_worker = ceil(diff // number_workers)
    rounded_wine_amount = floor(wine_amount)
    print(f"Good harvest this year! Total wine: {rounded_wine_amount} liters.")
    print(f"{diff} liters left -> {wine_worker} liters per person.")
else:
    diff = floor(diff)
    print(f"It will be a tough winter! More {diff} liters wine needed.")