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