#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  int card[4][13] = {};
  for (int i = 0; i < n; i++) {
    string suit;
    int num;
    cin >> suit >> num;
    if (suit == "S") card[0][num - 1] = 1;
    if (suit == "H") card[0][num - 1] = 1;
    if (suit == "C") card[2][num - 1] = 1;
    if (suit == "D") card[3][num - 1] = 1;
  }
  string str[4] = {"S", "H", "C", "D"};
  for (int i = 0; i < 4; i++) {
    for (int j = 0; j < 13; j++) {
      if (card[i][j] == 1) continue;
      cout << str[i] << " " << j + 1 << endl;
    }
  }
  return 0;
}
