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

int main() {
    int n, s=0, odd=0;
    cin >> n;
    for(int i=0;i<n;i++){
        int a;
        cin >> a;
        s ^= a;
        odd |= a&1;
    }
    cout << (s == 1 || (s == 0 && odd == 0) ? "Bob" : "Alice") << endl;
    return 0;
}

