#include <bits/stdc++.h>
using namespace std;
int s[13], h[13], c[13], d[13];
int main() {
  char ID;
  int N, tmp;
  cin >> N;
  for (int i = 0; i < N; i++) {
    cin >> ID >> tmp;
    if (ID == 'S') {
      s[tmp] = 1;
    }
    if (ID == 'H') {
      h[tmp] = 1;
    }
    if (ID == 'C') {
      c[tmp] = 1;
    }
    if (ID == 'D') {
      d[tmp] = 1;
    }
  }
  for (int i = 0; i < 13; i++) {
    if (s[i] == 0) cout << "S " << i + 1 << endl;
  }
  for (int i = 0; i < 13; i++) {
    if (h[i] == 0) cout << "H " << i + 1 << endl;
  }
  for (int i = 0; i < 13; i++) {
    if (c[i] == 0) cout << "C " << i + 1 << endl;
  }
  for (int i = 0; i + 1 < 13; i++) {
    if (d[i] == 0) cout << "D " << i << endl;
  }
  return 0;
}
