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