import java.util.*;
  
class  Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n;
        String a;
        int b = 0;
        int[][]kard = new int[4][13];//????????? S,H,C,D??¨?¨? 13 1??????????????????????
        String []mark = {"S","H","C","D"};
        n = sc.nextInt();
        for(int i=0; i<n; i++){ 
            a = sc.next();
            b = sc.nextInt();
            for(int d=0; d<4; d++){
                if(mark[d].equals(a))
                kard[d][b-1]++;
            }
        }
        for(int c=0; c<4; c++){
            for(int d=0; d<13; d++){
                if( kard[c][d]==0) 
                System.out.println(mark[c]+" "+(d+1)); 
            }
        }
    }
}