def determine_winner(A: int, B: int) -> str:

    if A < B:
        if A == 1:
            return "Alice"
        else:
            return "Bob"
    else:
        if A == B + 1:
            return "Bob"
        else:
            return "Alice"

def main():
    import sys
    data = sys.stdin.read().split()
    A, B = map(int, data)
    print(determine_winner(A, B))

if __name__ == "__main__":
    main()