#include <bits/stdc++.h>
int main(void) {
  int i, j, p, n, num, s[4][13] = {0};
  char suit, ref[] = "SHCD";
  scanf("%d", &n);
  for (i = 0; i < n; i++) {
    scanf("%c %d", &suit, &num);
    switch (suit) {
      case 'S':
        p = 0;
        break;
      case 'H':
        p = 1;
        break;
      case 'C':
        p = 2;
        break;
      case 'D':
        p = 3;
        break;
    }
    s[p][num - 1] = 1;
  }
  for (i = 0; i < 4; i++) {
    for (j = 0; j < 13; j++) {
      if (s[i][j] == 0) {
        printf("%c %d\n", ref[i], j + 1);
      }
    }
  }
  return 0;
}
