#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\n");
                        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\n");
        else
            printf("YES\n");
    }
    return 0;
}

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