#include <bits/stdc++.h>
int main() {
  int n, m;
  char suit, suits[4] = {'S', 'H', 'C', 'D'};
  int cards[4][13] = {0};
  scanf("%d", &n);
  for (int i = 0; i < n; i++) {
    scanf("%c %d\n", &suit, &m);
    for (int j = 0; j < 4; j++) {
      if (suit == suits[j]) cards[j][m - 1] = 1;
    }
  }
  for (int i = 0; i < 4; i++) {
    for (int j = 0; j < 13; j++) {
      if (!cards[i][j]) printf("%c %d\n", suits[i], j + 1);
    }
  }
  return 0;
}
