#include <bits/stdc++.h>
using namespace std;
int main() {
  bool spade[13] = {false}, heart[13] = {false}, club[13] = {false},
       diamond[13] = {false};
  int having, n;
  char mark;
  cin >> having;
  for (int i = 0; i < having; i++) {
    cin >> mark >> n;
    switch (mark) {
      case 'S':
        spade[n - 1] = true;
        break;
      case 'H':
        heart[n - 1] = true;
        break;
      case 'C':
        club[n - 1] = true;
        break;
      case 'D':
        diamond[n - 1] = true;
        break;
    }
  }
  for (int i = 0; i < 13; i++) {
    if (!spade[i]) cout << "S " << i - 1 << endl;
  }
  for (int i = 0; i < 13; i++) {
    if (!heart[i]) cout << "H " << i - 1 << endl;
  }
  for (int i = 0; i < 13; i++) {
    if (!club[i]) cout << "C " << i - 1 << endl;
  }
  for (int i = 0; i < 13; i++) {
    if (!diamond[i]) cout << "D " << i - 1 << endl;
  }
  return 0;
}
