#include<bits/stdc++.h>
using namespace std;
#include<atcoder/all>
using namespace atcoder;
using ll = long long;
int n;
vector<int> m;

void solve(){
	int g = 0;
	for(int i = 0;i<n;i++){
		for(int j = 2;j<=m[i];j++){
			int t = 0;
			while(m[i]%j==0){
				t++;
				m[i]/=j;
			}
			t%=3;
			g ^= t;
		}
	}
	if(g)cout<<"Alice"<<endl;
	else cout<<"Bob"<<endl;
}

signed main(){
	cin.tie(nullptr);
	ios::sync_with_stdio(false);
	cin >> n;
	m = vector<int>(n);
	for(auto &i:m)cin >> i;
	solve();
}