#include <bits/stdc++.h>
using namespace std;
void outPut(int Array[], char suit) {
  for (int i = 1; i <= 13; i++) {
    if (Array[i] == 0) printf("%c %d\n", suit, i);
  }
}
int main() {
  int n, S[14], H[14], D[14], C[14], buf;
  char suit;
  cin >> n;
  for (int i = 0; i < 14; i++) S[i] = H[i] = C[i] = D[i] = 0;
  for (int i = 0; i < n; i++) {
    scanf("%s %d", suit, &buf);
    switch (suit) {
      case 'S':
        S[buf] = 1;
        break;
      case 'H':
        H[buf] = 1;
        break;
      case 'D':
        D[buf] = 1;
        break;
      case 'C':
        C[buf] = 1;
        break;
    }
  }
  outPut(S, 'S');
  outPut(H, 'H');
  outPut(C, 'C');
  outPut(D, 'D');
}
