## https://yukicoder.me/problems/no/3112

def main():
    A, B =  map(int, input().split())

    if A - 1 > B:
        print("Alice")
    elif A - 1 == B:
        print("Bob")
    elif A == B:
        print("Alice")
    else:
        # A < B
        print("Bob")


if __name__ == "__main__":
    main()