#include // {{{ // https://codeforces.com/blog/entry/96344 #pragma GCC optimize("O2,unroll-loops") #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt") using namespace std; using i32 = int32_t; using u32 = uint32_t; using i64 = int64_t; using u64 = uint64_t; using f64 = double; using f128 = long double; #if __cplusplus >= 202002L template constexpr T MIN = std::numeric_limits::min(); template constexpr T MAX = std::numeric_limits::max(); template [[nodiscard]] static T sc(auto&& x) { return static_cast(x); } template [[nodiscard]] static T sz(auto&& x) { return static_cast(x.size()); } #endif static void NO() { std::cout << "NO\n"; } static void YES() { std::cout << "YES\n"; } #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define ff first #define ss second #ifdef LOCAL #define db(...) std::print(__VA_ARGS__) #define dbln(...) std::println(__VA_ARGS__) #else #define db(...) #define dbln(...) #endif // }}} void solve() { u32 n; cin >> n; string type; i64 l, r; vector> segments; for (u32 i = 0; i < n; ++i) { cin >> type >> l >> r; segments.emplace_back(type, l, r); } i64 lb = 0, ub = 1e9; for (auto it = segments.rbegin(); it != segments.rend(); ++it) { tie(type, l, r) = *it; if (type == "none") { lb = max(lb, l); ub = min(ub, r); } else if (type == "off") { lb += l; ub += r; } else if (type == "on") { lb = max(lb - r, (i64)0); ub = max(ub - l, (i64)0); } } cout << lb << ' ' << ub << '\n'; lb = 0, ub = 1e9; for (auto& segment : segments) { // NOTE: how does this work? tie(type, l, r) = segment; if (type == "none") { lb = max(lb, l); ub = min(ub, r); } else if (type == "off") { lb = max(lb - r, (i64)0); ub = max(ub - l, (i64)0); } else if (type == "on") { lb += l; ub += r; } } cout << lb << ' ' << ub << '\n'; } int main() { // {{{ cin.tie(nullptr)->sync_with_stdio(false); cin.exceptions(cin.failbit); #define PROBLEM_NAME "traffic" #ifdef LOCAL freopen("io/" PROBLEM_NAME ".in", "r", stdin); freopen("io/" PROBLEM_NAME ".out", "w", stdout); #else freopen(PROBLEM_NAME ".in", "r", stdin); freopen(PROBLEM_NAME ".out", "w", stdout); #endif solve(); return 0; } // }}}