def main():
    A, B = map(int, input().split())
    if A == 1:
        print("Alice")
    elif A == 2:
        if B <= 2:
            print("Alice")
        else:
            print("Bob")
    else:
        if B <= A - 2 or B == A:
            print("Alice")
        else:
            print("Bob")

if __name__ == "__main__":
    main()