#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;

#define ll long long
#define rep(i, n) for (int i = 0; i < (n); i++)
#define P pair<int, int>
#define LP pair<ll, ll>
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define all(s) s.begin(), s.end()
#define rall(s) s.rbegin(), s.rend()
template<class T>
void chmax(T& a, T b) { a = max(a, b); };
template<class T>
void chmin(T& a, T b) { a = min(a, b); };

int main() {
  int n;
  cin >> n;
  int m = n*(n-1)/2;
  dsu uf(m+1);
  rep(i,m) {
    int a, b;
    string c;
    cin >> a >> b >> c;
    a--, b--;
    if (uf.same(a,b)) continue;
    uf.merge(a,b);
    if (uf.size(a) == n) {
      cout << c << endl;
      return 0;
    } 
  }

  return 0;
}