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.util.Scanner; 

public class Main { 
        public static void main(String[] args) { 

                Scanner sc = new Scanner(System.in); 
                String line1 = sc.nextLine(); 
                int N = Integer.parseInt(line1); 

                String[] inputData = new String[N]; 
                for (int i = 0; i < N; i++) { 
                        String line2 = sc.nextLine(); 
                        inputData[i] = line2; 
                } 

                boolean[] cards = new boolean[52]; 
                for (int i = 0; i < cards.length; i++) { 
                        cards[i] = false; 
                } 

                int x = 0; 
                for (int i = 0; i < inputData.length; i++) { 
                        String str = inputData[i].substring(0, 1); 
                        if (str.equals("S")) { 
                                x = 0; 

                        } else if (str.equals("H")) { 
                                x = 13; 

                        } else if (str.equals("C")) { 
                                x = 13 * 2; 

                        } else if (str.equals("D")) { 
                                x = 13 * 3; 

                        } 
                        x += Integer.parseInt(inputData[i].substring(2)) - 1; 
                        cards[x] = true; 
                } 
                for (int i = 0; i < cards.length; i++) { 
                        if (cards[i] == false) { 
                                if (i / 13 == 0) { 
                                        System.out.print("S "); 

                                } else if (i / 13 == 1) { 
                                        System.out.print("H "); 
                                } else if (i / 13 == 2) { 
                                        System.out.print("C "); 
                                } else if (i / 13 == 3) { 
                                        System.out.print("D "); 
                                } 
                                System.out.println(String.valueOf(i % 13 + 1)); 
                        } 
                } 
        } 
}