#include<iostream>
using namespace std;
int main()c{
	int cards[4][13]={};
	int n;
	cin>>n;
	for(int i=0;i<n;i++){
		char c;int a;
		cin>>c>>a;
		for(int j=0;j=n;j++){
		if(c=='S'){
			cards[0][a]=1;}
		else if(c=='H'){
			cards[1][a]=1;}
		else if(c=='C'){
			cards[2][a]=1;}
		else {
			cards[3][a]=1;}		
	}
	for(int k=0;k<n;k++){
		if(cards[0][k]=0){
			cout<<"S "<<k<<endl;}
		else if(cards[1][k]=0){
			cout<<"H "<<k<<endl;}
		else if(cards[2][k]=0){
			cout<<"C "<<k<<endl;}
		else {
			cout<<"D "<<k<<endl;}
}		
	return 0;
}}


