#include<iostream>
#include<cstdio>
#include<vector>
#include<map>
#include<tuple>
#include<string>
#include<sstream>
#include<cmath>
#include<climits>
#include<algorithm>
#include<bitset>
#include<set>
#include<stack>
#include<queue>
using namespace std;  
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
#define rep(i,n) for(ll i=0;i<(n);i++)  
#define tii tuple<int,int>
#define tiii tuple<int,int,int>
#define mt make_tuple
#define pb push_back  
#define ALL(a) (a).begin(),(a).end()
#define FST first
#define SEC second  
const int INF = (INT_MAX/2);
const ll LLINF = (LLONG_MAX/2);
const double eps = 1e-5;
const double PI = M_PI;  
#define DEB cerr<<"!"<<endl
#define SHOW(a,b) cerr<<(a)<<" "<<(b)<<endl
#define SHOWARRAY(ar,i,j) REP(a,i)REP(b,j)cerr<<ar[a][b]<<((b==j-1)?((a==i-1)?("\n\n"):("\n")):(" "))
#define DIV 1000000007
ll pow(ll x,ll n,ll m){ll r=1;while(n>0){if((n&1)==1)r=r*x%m;x=x*x%m;n>>=1;}return r%m;}
string ss;

typedef bool b4000[4000];
string s1 = "DCHS";
string s2 = "A123456789TJQK";
int main(){
  int n; cin >> n;
  vector<string> vs(n);
  rep(i,n){string s; cin >> s; vs.pb(s);}
  bool flag = 1;
  rep(i,s1.size())rep(j,s2.size()){
    string ss = "xx"; ss[0] = s1[i]; ss[1] = s2[j];
    auto itr = find(ALL(vs),ss);
    if(!flag && itr != vs.end())
      cout << " " << ss;
    else if(itr != vs.end())
      cout << ss,flag = 0;
  }
  cout << endl;
}