func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 1e6 + 3, INF = 1e9;   int main() {     ios ::sync_with_stdio(0);     cin.tie(NULL), cout.tie(NULL);     long long n, last = 0, id = 0, ans = 0, i = 0;     cin >> n;     vector<pair<int, int> > v(n);     for (auto &t : v) cin >> t.first >> t.second;     for (; i <= N; ++i) {       if (last) last--;       if (v[id].first == i) {         last += v[id].second;         id++;       }       ans = max(ans, last);       if (id == v.size()) {         break;       }     }     ans = max(ans, last);     cout << i + last <<     << ans << endl;     return 0;   }   