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