#include <bits/stdc++.h>
using namespace std;
int main() {
  int card[4][13] = {};
  int n;
  char a;
  int b;
  cin >> n;
  for (int i = 0; i < n; ++i) {
    cin >> a >> b;
    if (a == 'S') card[0][b - 1] = 1;
    if (a == 'H') card[1][b - 1] = 1;
    if (a == 'C') card[2][b - 1] = 1;
    if (a == 'D') card[3][b - 1] = 1;
  }
  for (int i = 0; i < 13; ++i) {
    if (!card[0][i]) cout << "S " << i + 1 << endl;
    if (!card[1][i]) cout << "H " << i + 1 << endl;
    if (!card[2][i]) cout << "C " << i + 1 << endl;
    if (!card[3][i]) cout << "D " << i + 1 << endl;
  }
  return 0;
}
