09. Fruit or Vegetable

product = input()

#"fruit" имат следните възможни стойности:  banana, apple, kiwi, cherry, lemon и grapes
#"vegetable" имат следните възможни стойности:  tomato, cucumber, pepper и carrot;
#unknown

if product == 'banana' or product == 'apple' or product == 'kiwi' or product == 'cherry' or product == 'lemon' or product == 'grapes':
    print("fruit")
elif product == 'tomato' or product == 'cucumber' or product == 'pepper' or product == 'carrot':
    print('vegetable')
else:
    print('unknown')