#include <bits/stdc++.h>
using ll = long long;
using std::cin;
using std::cout;
using std::endl;
std::mt19937 rnd(std::chrono::steady_clock::now().time_since_epoch().count());
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
const int inf = (int)1e9 + 7;
const long long INF = 1LL << 60;

namespace KKT89
{
  struct UnionFind
  {
    std::vector<int> par;
    UnionFind(int n)
    {
        par.assign(n, -1);
    }
    int root(int a)
    {
        if (par[a] < 0)
        {
            return a;
        }
        return par[a] = root(par[a]);
    }

    int size(int a)
    {
        return -par[root(a)];
    }
    bool connect(int a, int b)
    {
        a = root(a);
        b = root(b);
        if (a == b)
        {
            return false;
        }
        if (size(a) < size(b))
        {
            std::swap(a, b);
        }

        par[a] += par[b];
        par[b] = a;

        return true;
    }
    bool same(int a, int b)
    {
        return root(a) == root(b);
    }
  };
}
void solve()
{
  int n; cin >> n;
  KKT89::UnionFind uf(n);
  while(true)
  {
    int a, b;
    cin >> a >> b;
    std::string s; cin >> s;
    a -= 1, b -= 1;
    uf.connect(a, b);
    if(uf.size(0) == n)
    {
      cout << s << "\n";
      return;
    }
  }
}
int main()
{
  std::cin.tie(nullptr);
  std::ios::sync_with_stdio(false);

  int kkt = 1; 
  // cin >> kkt;
  while(kkt--)
    solve();
  return 0;
  
}