#include <bits/stdc++.h>
int main(void) {
  int cards[4][13], n, r;
  char s;
  char suits[] = "SHDC";
  scanf("%d", &n);
  for (int i = 0; i < 4; i++) {
    for (int j = 0; j < 13; j++) {
      cards[i][j] = 0;
    }
  }
  for (int i = 0; i < n; i++) {
    scanf("%c %d", &s, &r);
    switch (s) {
      case 'S':
        cards[S][r] = 1;
        break;
      case 'D':
        cards[S][r] = 1;
        break;
      case 'H':
        cards[S][r] = 1;
        break;
      case 'C':
        cards[S][r] = 1;
        break;
    }
  }
  for (int i = 0; i < 4; i++) {
    for (int j = 0; j < 13; j++) {
      if (cards[i][j] == 0) {
        printf("%c %d\n", suits[i], j);
      }
    }
  }
  printf("\n");
  return 0;
}
