#include <iostream>
#include <vector>
using namespace std;

int main(){
   int n;
   cin >> n;
   string s[n];
   string mark[4] = {"D","C","H","S"},num[13] = {"A","2","3","4","5","6","7","8","9","T","J","Q","K"};
   for(int i = 0;i < n;i++) cin >> s[i];
   for(int i = 0;i < 4;i++) for(int j = 0;j < 13;j++) for(int k = 0;k < n;k++) if(int(s[k].find(mark[i] + num[j])) != -1) cout << mark[i] + num[j] << ' ';
   cout << endl;
}