#include <bits/stdc++.h>
using namespace std;
int main() {
  int cards[4][13], y, z, n, j, k, ii, jj;
  char x, l;
  cin >> n;
  for (ii = 0; ii < 4; ii++) {
    for (jj = 0; jj < 13; jj++) {
      cards[ii][jj] = 0;
    }
  }
  for (int i = 0; i < n; i++) {
    cin >> x >> y;
    if (x = 'S')
      z = 0;
    else if (x = 'H')
      z = 1;
    else if (x = 'C')
      z = 2;
    else
      z = 3;
    cards[z][y] = 1;
  }
  for (j = 0; j < 4; j++) {
    for (k = 0; k < 13; k++) {
      if (cards[j][k] == 0) {
        if (j == 0)
          l = 'S';
        else if (j == 1)
          l = 'H';
        else if (j == 2)
          l = 'C';
        else
          l = 'D';
        cout << l << " " << k + 1 << endl;
      }
    }
  }
}
