def season(n):# Задача 4. Сезон по номеру месяца
if 1 <= n < 3 or n == 12:
s = 'Зима'
elif 3 <= n < 6:
s = 'Весна'
elif 6 <= n < 9:
s = 'Лето'
elif 9 <= n < 12:
s = 'Осень'
else:
s = 'Ошибка'
return s
print(season(int(input())))
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