N, M = map(int, input().split())
A = list(map(int, input().split()))

X = [A[i] // M for i in range(N)]
Y = [A[i] % M for i in range(N)]

xor_x = 0
for i in X:
    xor_x ^= i
if xor_x != 0:
    exit(print("Alice"))

xor_y = 0
for i in Y:
    xor_y ^= i
if xor_y == 0:
    exit(print("Bob"))
k = 1
while xor_y % (2 * k) == 0:
    k *= 2

if k <= M:
    print("Alice")
else:
    print("Bob")