#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, num, S[14] = {}, C[14] = {}, H[14] = {}, D[14] = {};
  char m;
  cin >> n;
  for (int i = n; i < n; i++) {
    cin >> m >> num;
    if (m == 'S') {
      S[num] = 1;
    } else if (m == 'C') {
      C[num] = 1;
    } else if (m == 'H') {
      H[num] = 1;
    } else if (m == 'D') {
      D[num] = 1;
    }
  }
  for (int i = 1; i < 14; i++) {
    if (S[i] == 0) {
      cout << "S" << i << endl;
    }
  }
  for (int i = 1; i < 14; i++) {
    if (H[i] == 0) {
      cout << "S" << i << endl;
    }
  }
  for (int i = 1; i < 14; i++) {
    if (C[i] == 0) {
      cout << "S" << i << endl;
    }
  }
  for (int i = 1; i < 14; i++) {
    if (D[i] == 0) {
      cout << "S" << i << endl;
    }
  }
  return 0;
}
