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")