#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

#include <atcoder/dsu>

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  int n;
  cin >> n;
  atcoder::dsu d(n);
  rep(_, n * (n - 1) / 2) {
    int u, v;
    string s;
    cin >> u >> v >> s;
    --u, --v;
    d.merge(u, v);
    if (d.size(0) == n) {
      cout << s << '\n';
      return 0;
    }
  }
  assert(false);
  return 0;
}