#include <bits/stdc++.h>
using namespace std;
int main() {
  int card[4][13], n, rank;
  char suit;
  cin >> n;
  for (int i = 0; i < 4; i++) {
    for (int j = 0; j < 13; j++) {
      card[i][j] = 0;
    }
  }
  for (int i = 0; i < n; i++) {
    cin >> suit >> rank;
    if (suit == 'S') card[0][rank] = 1;
    if (suit == 'H') card[1][rank] = 1;
    if (suit == 'D') card[2][rank] = 1;
    if (suit == 'C') card[3][rank] = 1;
  }
  for (int i = 0; i < 4; i++) {
    for (int j = 0; j < 13; j++) {
      if (card[i][j] == 1) continue;
      if (i == 0) cout << 'S';
      if (i == 1) cout << 'H';
      if (i == 2) cout << 'C';
      if (i == 3) cout << 'D';
      cout << ' ' << j + 1 << endl;
    }
  }
}
