#include <iostream> using namespace std; #include <map> int main() { int a; cin >> a; multimap<int, int> m; map<int, int> n; for (int i = 0; i < a; i++) { int b, c; cin >> b >> c; m.insert(make_pair(b, c)); } int g= m.begin()->first; int sum=0; for (mu...