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: Accepted)

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import java.util.ArrayList;

class Main{
	public static void main(String[] args)throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int cnt = Integer.parseInt(br.readLine());
		String[] str = new String[2];
		ArrayList<String> list = new ArrayList<String>();
		String dis;
		for(int n=0;n<4;n++){
			for(int m=1;m<=13;m++){
				switch(n){
				case 0:
					list.add("S "+ m);
					break;
				case 1:
					list.add("H "+ m);
					break;
				case 2:
					list.add("C "+ m);
					break;
				case 3:
					list.add("D "+ m);
					break;
				}
			}
		}
		for(int i=0; i<cnt; i++){
			str = br.readLine().split(" ");
			list.remove(list.indexOf(str[0] + " " + str[1]));
		}
		for(int i=0;i<list.size();i++){
			dis = list.get(i);
			System.out.println(dis);
		}
	}
}