#include <bits/stdc++.h>
using namespace std;
char toMark(int x) {
  switch (x) {
    case 0:
      return 'S';
    case 1:
      return 'H';
    case 2:
      return 'C';
    case 3:
    default:
      return 'D';
  }
}
int toNum(char x) {
  if (x == 'S') return 0;
  if (x == 'H') return 1;
  if (x == 'C') return 2;
  if (x == 'D') return 3;
}
int main() {
  int n;
  int number;
  char mark;
  bool cards[4][13] = {false};
  cin >> n;
  for (int i = 0; i < n; ++i) {
    cin >> mark >> number;
    cards[toNum(mark)][number - 1] = true;
  }
  for (int i = 0; i < 4; ++i) {
    for (int j = 0; j < 13; ++j) {
      cout << toMark(i) << " " << j + 1 << endl;
    }
  }
  return 0;
}
