#include using namespace std; #define fst(t) std::get<0>(t) #define snd(t) std::get<1>(t) #define thd(t) std::get<2>(t) #define unless(p) if(!(p)) #define until(p) while(!(p)) using ll = long long; const int dx[8] = {-1, 1, 0, 0, -1, -1, 1, 1}, dy[8] = {0, 0, -1, 1, -1, 1, -1, 1}; map _m; vector > v; int main(){ std::cin.tie(nullptr); std::ios::sync_with_stdio(false); int N; std::cin >> N; for(int i=0;i> No; int M, S; std::cin >> M >> S; for(int j=0;j> tag; _m[tag] -= S; } } for(const auto& p : _m){ v.emplace_back(snd(p), fst(p)); } sort(v.begin(), v.end()); for(int i=0;i(v.size(), 10);++i){ auto p = v[i]; std::cout << snd(p) << " " << (-fst(p)) << std::endl; } }