#pragma GCC optimize("O3") #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC target("avx,avx2") #include #define INF 1000000001LL #define LNF 1000000000000000001LL #define MOD 1000000007LL #define MAX 502 #define long long long #define all(x) x.begin(),x.end() using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n; cin >> n; int grundy = 0; for(int i = 0; i> x; if(i&1) grundy^=x; } if(grundy) cout << "Alice" << endl; else cout << "Bob" << endl; return 0; }