#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  char c;
  int a;
  int X[4][13] = {};
  char M[4] = {'S', 'C', 'H', 'D'};
  for (int i = 0; i < n; i++) {
    cin >> c >> a;
    for (int j = 0; j < 4; j++) {
      if (M[j] == c) X[j][a - 1] = 1;
    }
  }
  for (int i = 0; i < 4; i++) {
    for (int j = 0; j < 13; j++) {
      if (!X[i][j]) cout << M[i] << ' ' << j + 1 << endl;
    }
  }
}
