#include <bits/stdc++.h>
// #include <atcoder/all>
// using mint = atcoder::static_modint<998244353>;
// using mint = atcoder::static_modint<1000000007>;
using namespace std;
// using namespace atcoder;
using ld = long double;
using ll = long long;
#define mp(a,b) make_pair(a,b)
#define rep(i,s,n) for(int i=s; i<(int)n; i++)
const vector<int> dx{1,0,-1,0},dy{0,1,0,-1};

int main(){
    int n;cin >> n;
    int grandy=0;
    rep(i,0,n){
        int a;cin >> a;
        for(int i=2; i*i<=a; i++)if(a%i==0){
            int cnt=0;
            while(a%i==0)cnt++,a/=i;
            grandy^=cnt;
        }
        if(a>1)grandy^=1;
    }
    if(grandy)cout << "Alice\n";
    else cout << "Bob\n";
}