#include using ll = long long; using std::cin; using std::cout; using std::endl; std::mt19937 rnd(std::chrono::steady_clock::now().time_since_epoch().count()); template inline bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; } template inline bool chmin(T &a, T b) { if (a > b) { a = b; return 1; } return 0; } const int inf = (int)1e9 + 7; const long long INF = 1LL << 60; void solve() { int n; cin >> n; for (int i = 0; i < n; ++i) { cout << 3 * i << " \n"[i + 1 == n]; } for (int i = 0; i < n; ++i) { cout << 3 * i + 1 << " \n"[i + 1 == n]; } } int main() { std::cin.tie(nullptr); std::ios::sync_with_stdio(false); int I_love_KKT89 = 1; // cin >> I_love_KKT89; while (I_love_KKT89--) solve(); return 0; }