​#include <cstdio>
#include <algorithm>
#include <functional>
#include <stack>
#include <iostream>
#include <string>
#include <vector>
#include <queue>
#include <cstring>
#include <string>
#include <sstream>
#include <map>
#include <cmath>
#define LL long long
#define lowbit(x) ((x) & (-x))
#define MP(a, b) make_pair(a, b)
const int MAXN = 1000 + 5;
const int INF = 0x3f3f3f3f;
using namespace std;
  
typedef pair<int, int> pii;
typedef vector<int>::iterator viti;
typedef vector<pii>::iterator vitii;
  
vector<pii> mp[MAXN];
priority_queue<pii, vector<pii>, greater<pii> >pqu;
  
int d[MAXN];
  
void Dijkstra(int st)
{
    memset(d, INF, sizeof d);
    d[st] = 0;
    pqu.push(MP(d[st], st));
    while (!pqu.empty())
    {
        pii u = pqu.top(); pqu.pop();
        int x = u.second, curDis = u.first;
        if (u.first != d[x]) continue;
        for (vitii it = mp[x].begin(); it != mp[x].end(); it++)
        {
            int t = it->first;
            if (d[t] > curDis + it->second)
            {
                d[t] = curDis + it->second;
                pqu.push(MP(d[t], t));
            }
        }
    }
}
  
int main()
{
    int n, i, j;
    scanf("%d", &n);
    for (i = 0; i < n; i++)
    {
        char ch[10], cch[10];
        int dis, a, b;
        scanf("%s%s%d", ch, cch, dis);
        if (isupper(ch[0])) a = ch[0]- 'A' + 26;
        else a = ch[0] - 'a';
        if (isupper(cch[0])) b = ch[0] - 'A' + 26;
        else b = cch[0] - 'a';
        mp[a].push_back(MP(b, dis)); mp[b].push_back(MP(a, dis));
        int st = 'Z' - 'A';
        Dijkstra(st);
        int pos, ans = INF;
        for (i = 0; i < 55; i++)
        {
            ans = min(ans, d[i]);
            pos = i;
        }
        printf("%c %d\n", pos + 'A', ans);
    }
    return 0;
}