#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  vector<vector<bool>> v(4, vector<bool>(13));
  while (n--) {
    char c;
    int a;
    cin >> c >> a;
    int index = c == 'S' ? 0 : c == 'H' ? 1 : c == 'C' ? 2 : 3;
    v[index][--a] = true;
  }
  for (int i = 0; i < 4; i++)
    for (int j = 0; j < 13; j++)
      if (!v[i][j]) cout << "SHCD"[i] << ' ' << j + 1 << endl;
}
