#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int N=1e3+10;
const int mod=1e5; 
int n;
int main()
{
    freopen("shi.in","r",stdin);
    freopen("shi.out","w",stdout);
    
	cin>>n;
	for(int i=1;i<=n;i++){
		int x;
        cin>>x;
        int cnt=0;
        while(x%2==0){
            x/=2;
            ++cnt;
        }
        if(cnt%2==1){
            cout<<"Alice"<<endl;
            return 0;
        }
	}
	cout<<"Bob"<<endl;
	return 0;
}