#include <bits/stdc++.h>
int main(void) {
  int n, i, j, ch;
  int card[4][13];
  char zu[10];
  int nu;
  for (i = 0; i < 4; i++) {
    for (j = 0; i < 13; j++) card[i][j] = 0;
  }
  scanf("%d", &n);
  for (i = 0; i < n; i++) {
    scanf("%s%d", zu, &nu);
    if (zu == "S")
      ch = 0;
    else if (zu == "H")
      ch = 1;
    else if (zu == "C")
      ch = 2;
    else
      ch = 3;
    card[ch][nu] = 1;
  }
  i = 0;
  for (i = 0; i < 4; i++) {
    for (j = 0; j < 13; j++) {
      if (card[i][j] == 0) {
        if (i == 0)
          printf("S %d\n", j);
        else if (i == 1)
          printf("H %d\n", j);
        else if (i == 2)
          printf("C %d\n", j);
        else
          printf("D %d\n", j);
      }
    }
  }
  return (0);
}
