#include <bits/stdc++.h>
using namespace std;
int main() {
  map<char, bool[13]> trump;
  int n;
  cin >> n;
  for (int i = 0; i < n; i++) {
    char d;
    int r;
    cin >> d >> r;
    trump[d][r - 1] = true;
  }
  for (auto d : {'S', 'H', 'C', 'D'})
    for (int i = 0; i < sizeof(trump[d]); i++)
      if (!trump[d][i]) cout << d << " " << i + 1 << endl;
}
