#include <stdio.h>
#define PIC (4)
#define RANK (13)

int main(){
int i,n,pic,rank,stuck[PIC][RANK];
scanf("%d",&n);
for(i=1,i<=n,i++){
   scanf("%d %d",&pic,&rank);
   switch(pic){
      case 'S':pic=0;
      case 'H':pic=1;
      case 'C':pic=2;
      case 'D':pic=3;
   }
}
return 0;
}