#include<bits/stdc++.h>
using namespace std;

int main(){
	cin.tie(0),ios::sync_with_stdio(false);
	int n; cin>>n;
	string num="A23456789TJQK"s;
	unordered_map<char,int>cton;
	for(int i=0;i<13;++i){
		cton[num.at(i)]=i;
	}
	unordered_map<char,priority_queue<int,vector<int>,greater<int>>>c;
	for(int i=0;i<n;++i){
		char m,n; cin>>m>>n;
		c[m].push(cton[n]);
	}
	string ord="DCHS"s;
	for(auto&&i:ord){
		while(c[i].size()){
			cout<<i<<num.at(c[i].top());
			c[i].pop();
			goto out;
		}
	}
	out:
	for(auto&&i:ord){
		while(c[i].size()){
			cout<<" "s<<i<<num.at(c[i].top());
			c[i].pop();
		}
	}
	cout<<"\n"s;
}