#pragma region Macros

#include <bits/extc++.h>
using namespace std;
using namespace __gnu_pbds;
// using namespace __gnu_cxx;

#define TO_STRING(var) # var
#define pb emplace_back
#define int ll
#define endl '\n'

using ll = long long;
using ld = long double;
const ld PI = acos(-1);
const ld EPS = 1e-10;
const int INF = 1 << 30;
const ll INFL = 1LL << 62;
// const int MOD = 998244353;
const int MOD = 1000000007;

int ceil(int x, int y) {return (x > 0 ? (x + y - 1) / y : x / y);}
int POW(int x, int y) {
    if (y != (int)(y) or y < 0 or x != 0 && x != 1 && y > 64) {cout << "Error" << endl;return 0;}
    if (y == 0) return 1;
    if (y % 2 == 0) return POW(x * x, y / 2);
    return x * POW(x, y - 1);
}

__attribute__((constructor))
void constructor() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(15);
}

#pragma endregion

vector<pair<int,int>> prime_fact(int x) {

	vector<pair<int,int>> ret;

	for (int i = 2; i * i <= x; i++) {
		if (x % i) continue;
		int cnt = 0;
		while (x % i == 0) {
			cnt++;
			x /= i;
		}
		ret.pb(i, cnt);
	}
	if (x > 1) ret.pb(x, 1);

	return ret;
}

signed main() {
    int N;
	cin >> N;
	vector<int> M(N);
	for (int i = 0; i < N; i++) cin >> M[i];

	vector<int> gr = {0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2};


	int G = 0;
	for (int i = 0; i < N; i++) {
		vector<pair<int,int>> p = prime_fact(M[i]);
		int sz = p.size();

		int g = 0;
		for (int j = 0; j < sz; j++) {
			g ^= gr[p[j].second];
		}
		G ^= g;
	}

	if (G) cout << "Alice" << endl;
	else cout << "Bob" << endl;

}