a, b = map(int, input().split())

if a == 1:
    print("Alice")
elif a == 2:
    if a >= b:
        print("Alice")
    else:
        print("Bob")
elif a >= 3:
    if b == a - 1:
        print("Bob")
    elif b != a - 1:
        if a >= b:
            print("Alice")
        else:print("Bob")