#include<bits/stdc++.h>
using namespace std;
using ll = long long;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 710
#endif

vector<int> frac(int x){
	vector<int> ret;
	for(int i = 2; i * i <= x; i++){
		if(x%i == 0){
			int cnt = 0;
			while(x%i == 0){
				cnt++;
				x /= i;
			}
			ret.push_back(cnt);
		}
	}
	if(x != 1) ret.push_back(1);
	return ret;
}

int grundy(vector<int> v){
	int g = 0;
	for(int t: v){
		g ^= (t % 3);
	}
	return g;
}

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n;
	cin >> n;
	vector<int> m(n);
	for(auto &x: m) cin >> x;
	int g = 0;
	for(int t: m){
		g ^= grundy(frac(t));
	}
	cout << (g ? "Alice" : "Bob") << endl;
}