本地运行#6过，评测#6读出了A，求条玄关

#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=1e3;
#define ll long long
const long long up=1e18;
ll n,m,dis[N][N];
ll cow[N],cw;
signed main() {
//	freopen("P1529_6.in","r",stdin);
//	freopen("1.out","w",stdout);
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin>>m;
	memset(dis,0x3f,sizeof(dis));
	//for(int i=1; i<=60;i++) dis[i][i] = 0;
	for(int i=1;i<=m;i++){
		char x_,y_;
		ll x,y,w;
		cin>>x_>>y_>>w;
		if(isupper(x_)&&x_!='Z'){
			cow[++cw]=x_-'A'+1;
			x=x_-'A'+1;
		}
		else if(x_=='Z'){
			x=x_-'A'+1;
		}
		if(islower(x_)){
//			cow[++cw]=x_-'a'+27;
			x=x_-'a'+27;
		}
		if(isupper(y_)&&y_!='Z'){
			cow[++cw]=y_-'A'+1;
			y=y_-'A'+1;
		}
		else if(y_=='Z'){
			y=y_-'A'+1;
		}
		if(islower(y_)){
//			cow[++cw]=y_-'a'+27;
			y=y_-'a'+27;
		}
		dis[x][y]=min(w,dis[x][y]);
		dis[y][x]=min(w,dis[y][x]);
	}
	for(int k=1;k<=60;k++){
		for(int i=1;i<=60;i++){
			for(int j=1;j<=60;j++){ 
				dis[i][j]=min(dis[i][j],dis[i][k]+dis[k][j]);
			}
		}
	}
	char as;
	ll mn=up,ww=0;
//	cout<<mn;
	for(int i=1;i<=cw;i++){
		if(dis[cow[i]]['Z'-'A'+1]<mn){
			mn=dis[cow[i]]['Z'-'A'+1];
			ww=cow[i];
		}
	}
	as=ww+'A'-1;
	cout<<as<<" "<<mn;
	
	return 0;
}