#include <stdio.h>
#include <stdlib.h>

typedef struct {
	int *par, *size;
} UF_forest;

void UF_initialize(UF_forest *F, int n)
{
	int i;
	F->par = (int*)malloc(sizeof(int) * (n + 1));
	F->size = (int*)malloc(sizeof(int) * (n + 1));
	for (i = 1; i <= n; i++) {
		F->par[i] = i;
		F->size[i] = 1;
	}
}

int UF_root(UF_forest *F, int v)
{
	if (F->par[v] == v) return v;
	else {
		F->par[v] = UF_root(F, F->par[v]);
		return F->par[v];
	}
}

void UF_merge(UF_forest *F, int u, int v)
{
	u = UF_root(F, u);
	v = UF_root(F, v);
	if (u == v) return;
	else if (F->size[u] > F->size[v]) {
		F->par[v] = u;
		F->size[u] += F->size[v];
	} else {
		F->par[u] = v;
		F->size[v] += F->size[u];
	}
}

int main()
{
	int i, N, a[5001], b[5001];
	char C[5001][102];
	scanf("%d", &N);
	for (i = 1; i <= N * (N - 1) / 2; i++) scanf("%d %d %s", &(a[i]), &(b[i]), C[i]);
	
	int count = 1;
	UF_forest F;
	UF_initialize(&F, N);
	for (i = 1; count < N; i++) {
		if (UF_root(&F, a[i]) != UF_root(&F, b[i])) {
			UF_merge(&F, a[i], b[i]);
			count++;
		}
	}
	printf("%s\n", C[i-1]);
	fflush(stdout);
	return 0;
}