#include <bits/stdc++.h>

using namespace std;

#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()

template<typename A, typename B> inline bool chmax(A &a, B b) { if (a<b) { a=b; return 1; } return 0; }
template<typename A, typename B> inline bool chmin(A &a, B b) { if (a>b) { a=b; return 1; } return 0; }

typedef unsigned long long ull;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<int, pii> P;

const ll INF = 1ll<<29;
const ll MOD = 1000000007;
const double EPS  = 1e-12;

int main() {
	bool card[52] = {};
	string mark = "DCHS";
	
	string num = "A23456789TJQK";
	
	map<char, int> m;
	REP(i, num.size()) m[num[i]] = i;
	
	int n;
	cin >> n;
	REP(i, n) {
		string in;
		cin >> in;
		int now = mark.find(in[0]) * 13 + m[in[1]];
		
		card[now] = true;
	}
	
	vector<string> ans;
	REP(i, 52) {
		if (!card[i]) continue;
		
		string now = "";
		now += mark[i / 13];
		now += num[i % 13];
		
		ans.push_back(now);
	}
	
	REP(i, ans.size()) printf("%s%c", ans[i].c_str(), i == ans.size() - 1 ? '\n' : ' ');
	
	return 0;
}