#include <bits/stdc++.h>
using namespace std;
int main() {
  bool cards[4][14];
  int n, rank;
  char suit;
  for (int s = 0; s < 4; s++) {
    for (int r = 1; r <= 13; r++) {
      cards[s][r] = 0;
    }
  }
  cin >> n;
  for (int i = 0; i < n; i++) {
    cin >> suit >> rank;
    if (suit == 'S') cards[0][rank] = 1;
    if (suit == 'H') cards[0][rank] = 1;
    if (suit == 'C') cards[0][rank] = 1;
    if (suit == 'D') cards[0][rank] = 1;
  }
  for (int s = 0; s < 4; s++) {
    for (int r = 1; r <= 13; r++) {
      if (cards[s][r]) continue;
      if (s == 0) suit = 'S';
      if (s == 1) suit = 'H';
      if (s == 2) suit = 'C';
      if (s == 3) suit = 'D';
      cout << suit << " " << r << endl;
    }
  }
  return 0;
}
