#include <iostream>
using namespace std;

int main() {
  int n, i, x;
  char t;
  char s[5] = "SHCD";
  bool c[4][13];
  cin >> n;
  for(i=0; i < n; i++) {
    cin >> t >> x;
    if(x > 13) continue;
    switch(t) {
      case 'S':
        c[0][x-1] = true;
        break;
      case 'H':
        c[1][x-1] = true;
        break;
      case 'C':
        c[2][x-1] = true;
        break;
      case 'D':
        c[3][x-1] = true;
        break;
    }
  }
  for(i=0; i < 4; i++) {
    for(x=0; x < 13; x++) {
      if(!c[i][x]) {
        if(i > 4) { i = 4; }
        cout << s[i] << ' ' << x+1 << endl;
      }
    }
  }
  return 0;
}