c#include <bits/stdc++.h> using namespace std; int main(){ cin.tie(NULL); cout.tie(NULL); ios_base::sync_with_stdio(false); int N; cin >> N; map<string, int> fruit; for(int i = 0; i < N; i++){ string S; int cnt; cin >> S >> cnt; fruit[S] += cnt; } for(auto iter: fruit){ if(iter.second == 5){ cout << "YES" << "\n"; return 0; } } cout << "NO" << "\n"; return 0; }