a = int(input())
if a == o:
print("зеленый")
elif (1 <= a <= 10) or (19 <= a <= 28) and (a % 2 == 0):
print("черный")
else:
print("красный")
elif (11 <= a <= 18) or (29 <= a <= 36) and (a % 2 == 0):
print("красный")
else:
print("черный")
elif (a < 0) or (a > 36):
print("ошибка ввода")File "jailed_code", line 8
elif (11 <= a <= 18) or (29 <= a <= 36) and (a % 2 == 0):
^
SyntaxError: invalid syntax