import sys

sys.setrecursionlimit(10**7)
def I(): return int(sys.stdin.readline().rstrip())
def MI(): return map(int,sys.stdin.readline().rstrip().split())
def LI(): return list(map(int,sys.stdin.readline().rstrip().split()))
def LI2(): return list(map(int,sys.stdin.readline().rstrip()))
def S(): return sys.stdin.readline().rstrip()
def LS(): return list(sys.stdin.readline().rstrip().split())
def LS2(): return list(sys.stdin.readline().rstrip())


N = I()
M = LI()

X = []
for i in range(N):
    m = M[i]
    for j in range(2,int(m**.5)+1):
        r = 0
        if m % j == 0:
            while m % j == 0:
                r += 1
                m //= j
        X.append(r)
    if m != 1:
        X.append(1)

X = [x % 3 for x in X]
a = 0
for x in X:
    a ^= x

if a == 0:
    print('Bob')
else:
    print('Alice')