#include <stdio.h>

int main(void){
 int i,j,tmp,num,card[4][13];
 char c;
 for(i=0;i<4;i++){
  for(j=0;j<13;j++){
   card[i][j]=0;
  }
 }
 scanf("%d",&tmp);
 for(i=0;i<tmp;i++){
  scanf("%c %d",mark,&num);
  switch(mark){
   case 'S':card[0][num]=1;
            break;
   case 'H':card[1][num]=1;
            break;
   case 'C':card[2][num]=1;
            break;
   case 'D':card[3][num]=1;
            break;
  }
 }
 for(i=0;i<4;i++){
  for(j=0;j<13;j++){
   if(card[i][j]==0){
    switch (i){
     case 0:printf("S %d",&(j+1));
            break;

     case 1:printf("C %d",&(j+1));
            break;

     case 2:printf("D %d",&(j+1));
            break;

     case 3:printf("D %d",&(j+1));
            break;
    }
   }
  }
 }
 printf("\n");
 return 0;
}