fruit_or_vegetable

type_of_product = input()


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