#include #define show(x) cerr << #x << " = " << x << endl using namespace std; using ll = long long; using pii = pair; using vi = vector; template ostream& operator<<(ostream& os, const vector& v) { os << "sz=" << v.size() << "\n["; for (const auto& p : v) { os << p << ","; } os << "]\n"; return os; } template ostream& operator<<(ostream& os, const pair& p) { os << "(" << p.first << "," << p.second << ")"; return os; } constexpr ll MOD = 1e9 + 7; template constexpr T INF = numeric_limits::max() / 100; int main() { cin.tie(0); ios::sync_with_stdio(false); int N; cin >> N; vector num(4, 0); for (int i = 0; i < N; i++) { ll x, y; cin >> x >> y; const int ind = (x % 2) * 2 + (y % 2); num[ind]++; } ll sum = 0; for (int i = 0; i < 4; i++) { sum += num[i] / 2; } cout << (sum % 2 == 0 ? "Bob" : "Alice") << endl; return 0; }