#include <atcoder/dsu>
#include <string>
#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
#include <cassert>
#include "testlib.h"

using namespace std;
using namespace atcoder;

int main(int argc, char* argv[]) {
    registerValidation(argc, argv);
    int n = inf.readInt(2, 100, "n");
    inf.readEoln();
    int m = n * (n - 1) / 2;
    vector<int> a(m);
    vector<int> b(m);
    vector<string> c(m);
    for (int i = 0; i < m; i++)
    {
        a[i] = inf.readInt(1, n, "a_i") - 1;
        inf.readSpace();
        b[i] = inf.readInt(1, n, "b_i") - 1;
        inf.readSpace();
        c[i] = inf.readToken("[0-9]{1,101}", "c_i");
        inf.readEoln();
    }
    inf.readEof();
    dsu uf(n);
    for(int i=0;i<m;i++){
        if(uf.same(a[i],b[i]))continue;
        uf.merge(a[i],b[i]);
        if(uf.size(0)==n){
            cout<<c[i]<<endl;
            return 0;
        }
    }
    return 0;
}