#include <bits/stdc++.h>
int main() {
  int n, i, s, l, j;
  int cards[4][13];
  scanf("%d", &n);
  for (i = 0; i < 4; i++) {
    for (j = 0; j < 13; j++) {
      cards[i][j] = 0;
    }
  }
  for (i = 0; i < n; i++) {
    scanf("%d%d", &s, &l);
    switch (s) {
      case 'S':
        cards[0][l] = 1;
        break;
      case 'H':
        cards[1][l] = 1;
        break;
      case 'C':
        cards[2][l] = 1;
        break;
      default:
        cards[3][l] = 1;
        break;
    }
  }
  for (i = 0; i < 4; i++) {
    if (i == 0)
      printf("S ");
    else if (i == 1)
      printf("H ");
    else if (i == 2)
      printf("C ");
    else
      printf("D ");
    for (j = 0; j < 13; j++) {
      if (cards[i][j] == 0) {
        printf("%d\n", j);
      }
    }
  }
  return 0;
}
