N=int(raw_input())
M=map(int,raw_input().split())
grundy = [0 for i in range(10001)]
isPrime=[True for i in range(10001)]
isPrime[0]=False
isPrime[1]=False
for i in range(2,10001):
    if isPrime[i]:
        for j in range(i+i,10001,i):
            isPrime[j]=False
prime=[i for i in range(10001) if isPrime[i]]
for i in xrange(2,10001):
    s=set([])
    for p in prime:
        if i%p==0:
            s.add(grundy[i/p])
            if i%(p*p)==0:
                s.add(grundy[i/p/p])
    for g in xrange(10001):
        if not g in s:
            grundy[i]=g
            break
    #print grundy[i],
g=0
for m in M:
    g^=grundy[m]
if g==0:
    print "Bob"
else:
    print "Alice"