#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N=1010;
int n,a[N],mp[N],mx;
int flag;
int main () {
	freopen("shi.in","r",stdin);
	freopen("shi.out","w",stdout);
	ios::sync_with_stdio(0);
	cin.tie(0),cout.tie(0);
	cin >> n;
	for (int i=1;i<=n;i++) {
	    cin >> a[i];
		int t=a[i],cnt=0;
		while (1) {
			if (t%2==1) break;
			cnt++;
			t/=2;
		}
		if (cnt%2==1) flag=1; 
	}
	if (flag) cout << "Alice" <<endl;
	else cout << "Bob" <<endl;
	return 0;
}