Problem:
Finding Missing Cards

Taro is going to play a card game. However, now he has only n cards, even though there should be 52 cards (he has no Jokers).

The 52 cards include 13 ranks of each of the four suits: spade, heart, club and diamond.

Input

In the first line, the number of cards n (n ≤ 52) is given.

In the following n lines, data of the n cards are given. Each card is given by a pair of a character and an integer which represent its suit and rank respectively. A suit is represented by 'S', 'H', 'C' and 'D' for spades, hearts, clubs and diamonds respectively. A rank is represented by an integer from 1 to 13.

Output

Print the missing cards. The same as the input format, each card should be printed with a character and an integer separated by a space character in a line.
Arrange the missing cards in the following priorities:

Print cards of spades, hearts, clubs and diamonds in this order.

If the suits are equal, print cards with lower ranks first.

Sample Input

47
S 10
S 11
S 12
S 13
H 1
H 2
S 6
S 7
S 8
S 9
H 6
H 8
H 9
H 10
H 11
H 4
H 5
S 2
S 3
S 4
S 5
H 12
H 13
C 1
C 2
D 1
D 2
D 3
D 4
D 5
D 6
D 7
C 3
C 4
C 5
C 6
C 7
C 8
C 9
C 10
C 11
C 13
D 9
D 10
D 11
D 12
D 13

Sample Output

S 1
H 3
H 7
C 12
D 8

Note

      解説

Solution in JAVA (judge verdict: Wrong Answer)

import java.io.BufferedReader;
import java.io.InputStreamReader;
public class Main{
    public static void main(String[]args)throws Exception{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String str;
        String[] arr;
        int n=0;
        boolean [][] card = new boolean[4][13];
         
        while((str=br.readLine())!=null){
            if(n==0){
                n=Integer.parseInt(str);
                continue;
            }
 
            for(int i=0;i<=n;i++){
            	arr=str.split(" ");
            	if(arr[0]=="S"){
            		card[0][Integer.parseInt(arr[1])] = true;
            	} else if(arr[0]=="H"){
            		card[1][Integer.parseInt(arr[1])] = true;
            	} else if(arr[0]=="C"){
            		card[2][Integer.parseInt(arr[1])] = true;
            	} else {
            		card[3][Integer.parseInt(arr[1])] = true;
            	}
            }
            
            for(int i=0;i<4;i++){
            	for(int j=0;j<13;j++){
            		if(card[i][j]){
            			continue;
            		}else{
            			System.out.println(p(i) + " " + j);
            		}
            		
            	}
            }
            break;
        }
        System.out.println("");
        br.close();
    }
    public static String p(int num) {
    	switch(num){
    	case 0:
    		return "S";
		case 1:
    		return "H";
    	case 2:
    		return "C";
    	default:
    		return "K";
    	}
    }
}