A, B = map(int, input().split())

def determine_winner(a, b):
    if a == 0 or b == 0:
        return "Alice" if a == 0 else "Bob"
    if a >= 2 * b or b >= 2 * a:
        return "Alice" if a > b else "Bob"
    turn = 0  # 0 for Alice's turn, 1 for Bob's
    while True:
        if a == 0 or b == 0:
            return "Alice" if a == 0 else "Bob"
        if a >= 2 * b:
            return "Alice" if turn == 0 else "Bob"
        if b >= 2 * a:
            return "Bob" if turn == 0 else "Alice"
        if a > b:
            a = a % b
        else:
            b = b % a
        turn ^= 1

print(determine_winner(A, B))