#include <bits/stdc++.h>   using namespace std;   int main() {     int n, k = 0;     string home;     cin >> n;     cin >> home;     for (int i = 0; i < n; i++) {       string now;       cin >> now;       now = now.substr(5, 3);       if (now == home) k++;     }     if (k == n - k)       cout <<  home ;     else       cout <<  contest ;     return 0;   }   