#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cmath>
#include<cstring>
using namespace std;
int x[10],y[10];
int dangerous[17][17];
char z[10];
int vis[17][17];
char s[100][100];
int main(){
int n;
while(~scanf("%d",&n)){
memset(x,0,sizeof(x));
memset(y,0,sizeof(y));
memset(z,0,sizeof(z));
memset(vis,0,sizeof(vis));
memset(s,0,sizeof(s));
memset(dangerous,0,sizeof(dangerous));
int a,b;
scanf("%d%d",&a,&b);
if(n==0)
break;
for(int i=1;i<=n;i++){
cin>>z[i]>>x[i]>>y[i];//getchar();scanf("%c%d%d",&z[i],&x[i],&y[i]);这种输入过不了
vis[x[i]][y[i]]=1;
}
int flag=0;
for(int i=1;i<=n;i++){
flag=0;
if(z[i]=='G'){
for(int j=x[i]-1;j>=1;j--){
if(!vis[j][y[i]])
dangerous[j][y[i]]=1;
else{
dangerous[j][y[i]]=1;
break;
}
}
if(b==y[i]){
flag=0;
for(int ii=a+1;ii<x[i];ii++){
if(vis[ii][b]==1)
flag=1;
}
if(!flag){
printf("NO
");
flag=10;
break;
}
}
}
else if(z[i]=='R'){
int ii=0;
for(ii=x[i]-1;ii>=1;ii--){
if(!vis[ii][y[i]])
dangerous[ii][y[i]]=1;
else{
dangerous[ii][y[i]]=1;
break;
}
}
//dangerous[ii][y[i]]=1;
for(ii=x[i]+1;ii<=10;ii++){
if(!vis[ii][y[i]])
dangerous[ii][y[i]]=1;
else{
dangerous[ii][y[i]]=1;
break;
}
}
//dangerous[ii][y[i]]=1;
for(ii=y[i]-1;ii>=1;ii--){
if(vis[x[i]][ii]==0)
dangerous[x[i]][ii]=1;
else{
dangerous[x[i]][ii]=1;
break;
}
}
//dangerous[x[i]][ii]=1;
for(ii=y[i]+1;ii<=9;ii++){
if(vis[x[i]][ii]==0)
dangerous[x[i]][ii]=1;
else{
dangerous[x[i]][ii]=1;
break;
}
}
//dangerous[x[i]][ii]=1;
}
else if(z[i]=='C'){
flag=0;
for(int ii=x[i]-1;ii>=2;ii--){
if(vis[ii][y[i]]==1){
flag=ii;
break;
}
}
if(flag){
for(int ii=flag-1;ii>=1;ii--){
if(vis[ii][y[i]]==0)
dangerous[ii][y[i]]=1;
else{
dangerous[ii][y[i]]=1;
break;
}
}
}
flag=0;
for(int ii=x[i]+1;ii<=9;ii++){
if(vis[ii][y[i]]==1){
flag=ii;
break;
}
}
if(flag){
for(int ii=flag+1;ii<=10;ii++){
if(vis[ii][y[i]]==0)
dangerous[ii][y[i]]=1;
else{
dangerous[ii][y[i]]=1;
break;
}
}
}
flag=0;
for(int ii=y[i]-1;ii>=2;ii--){
if(vis[x[i]][ii]==1){
flag=ii;
break;
}
}
if(flag){
for(int ii=flag-1;ii>=1;ii--){
if(vis[x[i]][ii]==0)
dangerous[x[i]][ii]=1;
else{
dangerous[x[i]][ii]=1;
break;
}
}
}
flag=0;
for(int ii=y[i]+1;ii<=8;ii++){
if(vis[x[i]][ii]==1){
flag=ii;
break;
}
}
if(flag){
for(int ii=flag+1;ii<=9;ii++){
if(vis[x[i]][ii]==0)
dangerous[x[i]][ii]=1;
else{
dangerous[x[i]][ii]=1;
break;
}
}
}
}
else if(z[i]=='H'){
if(vis[x[i]-1][y[i]]==0){
//if(!vis[x[i]-2][y[i]-1])
dangerous[x[i]-2][y[i]-1]=1;
//if(!vis[x[i]-2][y[i]+1])
dangerous[x[i]-2][y[i]+1]=1;
}
if(vis[x[i]+1][y[i]]==0){
//if(!vis[x[i]+2][y[i]-1])
dangerous[x[i]+2][y[i]-1]=1;
//if(!vis[x[i]+2][y[i]+1])
dangerous[x[i]+2][y[i]+1]=1;
}
if(vis[x[i]][y[i]-1]==0){
//if(!vis[x[i]-1][y[i]-2])
dangerous[x[i]-1][y[i]-2]=1;
//if(!vis[x[i]+1][y[i]-2])
dangerous[x[i]+1][y[i]-2]=1;
}
if(vis[x[i]][y[i]+1]==0){
//if(!vis[x[i]-1][y[i]+2])
dangerous[x[i]-1][y[i]+2]=1;
//if(!vis[x[i]+1][y[i]+2])
dangerous[x[i]+1][y[i]+2]=1;
}
}
}
if(flag==10)
continue;
flag=0;
if(a-1>=1)
if(!dangerous[a-1][b])
flag=1;
if(a+1<=3)
if(!dangerous[a+1][b])
flag=1;
if(b-1>=4)
if(!dangerous[a][b-1])
flag=1;
if(b+1<=6)
if(!dangerous[a][b+1])
flag=1;
if(flag)
printf("NO
");
else
printf("YES
");
}
return 0;
}