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.*;
/*
Main class for AOJ where there is no input.
*/
public class Main{
   public static void main(String[] args){
      Scanner sc = new Scanner(System.in);
      int n = Integer.parseInt(sc.nextLine());
      String str;
      String[] arr;
      int[][] pc = new int[4][13];
    
    /*
    pc[suit][number][bool]
    bool:
      0 = doesn't exist
      1 = exists
    suit:
      0 = Spade
      1 = Heart
      2 = Club
      3 = Diamond
    */
    
      for(int i = 0; i < n; i++){
         str = sc.nextLine();
         arr = str.split(" ");
         if(arr[0].equals("S")){
            pc[0][Integer.parseInt(arr[1])-1] = 1;
         }else if(arr[0].equals("H")){
            pc[1][Integer.parseInt(arr[1])-1] = 1;
         }else if(arr[0].equals("C")){
            pc[2][Integer.parseInt(arr[1])-1] = 1;
         }else if(arr[0].equals("D")){
            pc[3][Integer.parseInt(arr[1])-1] = 1;
         }
      }
      
      String[] symbol = {"S", "H", "C", "D"};
    
      for(int suit = 0; suit < 4; suit ++ ){
         for(int number = 0; number < 13; number ++){
            if(pc[suit][number] == 0){
               System.out.print(symbol[suit] + " " + (number + 1) + "\n");
            }
         }
      }
      
    
    
   }//main
}//class