#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ins insert
#define pb push_back
void solve(){
int n;cin>>n;
vector<pair<char,pair<int,int>>>ladja;
for(int i=0;i<n;i++){
int a,b;char c;cin>>a>>b>>c;
ladja.pb({c,{a,b}});
}
vector<pair<int,pair<int,int>>>zab;
for(int i=0;i<n;i++){
for(int j=i+1;j<n;j++){
char smer1=ladja[i].first;
char smer2=ladja[j].first;
int x1=ladja[i].second.first;
int x2=ladja[j].second.first;
int y1=ladja[i].second.second;
int y2=ladja[j].second.second;
if(smer1==smer2) continue;
if(smer1=='N'){
if(smer2=='S'){
if(x1==x2&&y1>y2){
zab.pb({(y1-y2)/2,{i,j}});
}
}
if(smer2=='W'){
if(x2>x1&&y1>y2&&(y1-y2==x2-x1)){
zab.pb({x2-x1,{i,j}});
}
}
if(smer2=='E'){
if(x1>x2&&y1>y2&&(y1-y2==x1-x2)){
zab.pb({x1-x2,{i,j}});
}
}
}
if(smer1=='S'){
if(smer2=='N'){
if(x1==x2&&y1<y2){
zab.pb({(y2-y1)/2,{i,j}});
}
}
if(smer2=='W'){
if(x2>x1&&y2>y1&&(x2-x1==y2-y1)){
zab.pb({x2-x1,{i,j}});
}
}
if(smer2=='E'){
if(x1>x2&&y1<y2&&(x1-x2==y2-y1)){
zab.pb({x1-x2,{i,j}});
}
}
}
if(smer1=='W'){
if(smer2=='N'){
if(x1>x2&&y2>y1&&(x1-x2==y2-y1)){
zab.pb({x1-x2,{i,j}});
}
}
if(smer2=='S'){
if(x1>x2&&y1>y2&&(x1-x2==y1-y2)){
zab.pb({x1-x2,{i,j}});
}
}
if(smer2=='E'){
if(y1==y2&&x1>x2){
zab.pb({(x1-x2)/2,{i,j}});
}
}
}
if(smer1=='E'){
if(smer2=='N'){
if(x2>x1&&y2>y1&&(x2-x1==y2-y1)){
zab.pb({x2-x1,{i,j}});
}
}
if(smer2=='S'){
if((x2-x1==y1-y2)&&x2>x1&&y1>y2){
zab.pb({x2-x1,{i,j}});
}
}
if(smer2=='W'){
if(y1==y2&&x1<x2){
zab.pb({(x2-x1)/2,{i,j}});
}
}
}
}
}
sort(zab.begin(),zab.end());
vector<int>je(n,1e9+2);
for(int i=0;i<zab.size();i++){
int time=zab[i].first;
int ena=zab[i].second.first;
int dva=zab[i].second.second;
cout<<time<<' '<<ena<<' ' <<dva<<endl;
if(je[ena]<time||je[dva]<time) continue;
je[ena]=time;
je[dva]=time;
}
for(int i=0;i<n;i++){
if(je[i]==int(1e9+2)){
cout<<i+1<<endl;
}
}
}
int main() {
int t=1;
while(t--)solve();
}
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