import sys
input = sys.stdin.readline
N, M = map(int, input().split())
A = list(map(int, input().split()))
X = 0
for a in A:
    X ^= a
b = bin(M)[2:]
x = bin(X)[2:]
if len(b)>=len(x):
    if x.count("1")%2==0:
        print("Bob")
    else:
        print("Alice")
else:
    if x[-b:].count("1")%2==0:
        print("Bob")
    else:
        print("Alice")