#include <bits/stdc++.h>
int main(int argc, char const* argv[]) {
  int n;
  std::map<char, std::array<bool, 13>> card;
  std::array<char, 4> marks{'S', 'H', 'C', 'D'};
  for (auto&& m : marks) {
    for (int i = 0; i < 13; i++) {
      card[m][i] = true;
    }
  }
  std::cin >> n;
  for (int i = 0; i < n; i++) {
    char mark;
    int rank;
    std::cin >> mark >> rank;
    card[mark][rank - 1] = false;
  }
  for (auto&& m : marks) {
    for (int i = 0; i < 13; i++) {
      if (card[m][i]) std::cout << m << " " << i + 1 << std::endl;
    }
  }
  return 0;
}
