num = int(input())

person1 = input().split(" ")
person2 = input().split(" ")

partners = {}

for partner1, partner2 in zip(person1, person2):
    if partner1 in partners and partners[partner1] != partner2:
        print("bad")
        break

    if partner2 in partners and partners[partner2] != partner1:
        print("bad")
        break

    if partner1 == partner2:
        print("bad")
        break

    partners[partner1] = partner2

else:
    print("good")