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.*;

class Main
{
    public static void main (String[ ] args) throws Exception
    {
        boolean[][] b = new boolean[4][13];
        String[] s = {"S", "H", "C", "D"};
        BufferedReader br = new BufferedReader (new InputStreamReader (System.in));
        
        int n = Integer.parseInt(br.readLine());
        for(int i = 0; i < n; i++)
        {
            String[] strArr = (br.readLine()).split(" ");
            int rank = Integer.parseInt(strArr[1]);
            if("S".equals(strArr[0]))
            {
                b[0][rank - 1] = true;
            }
            else if("H".equals(strArr[0]))
            {
                b[1][rank - 1] = true;
            }
            else if("C".equals(strArr[0]))
            {
                b[2][rank - 1] = true;
            }
            else if("D".equals(strArr[0]))
            {
                b[3][rank - 1] = true;
            }
        }
        
        for(int i = 0; i < 4; i++)
        {
            for(int j = 0; j < 13; j++)
            {
                if(true != b[i][j])
                {
                    System.out.println(s[i] + " " + (j + 1));
                }
            }
        }
    }
}