import math

def fact(x):
    L=int(math.sqrt(x))

    FACT=dict()

    for i in range(2,L+2):
        while x%i==0:
            FACT[i]=FACT.get(i,0)+1
            x=x//i

    if x!=1:
        FACT[x]=FACT.get(x,0)+1

    return FACT


FACT=[dict() for i in range(10**4+5)]
for i in range(1,10**4+1):
    FACT[i]=fact(i)


def grundy(x):
    if x==1:
        return 0
    
    LIST=[]

    for f in FACT[x]:
        LIST.append(G[x//f])

        if (x//f)%f==0:
            LIST.append(G[x//f//f])

    SET=set(LIST)
    
    for i in range(10**9):
        if i in SET:
            continue
        else:
            G[x]=i
            break

G=[0]*(10**4+5)
for i in range(1,10**4+5):
    grundy(i)

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

XOR=0

for a in A:
    XOR^=G[a]

if XOR!=0:
    print("Alice")
else:
    print("Bob")