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;
class Main {
	
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);

		int n = scanner.nextInt();
		int tate,yoko;
		int [][] box = new int [4][13];

			for(tate = 0; tate < 4; tate++){
				for(yoko = 0; yoko < 13; yoko++){

				//?????????1??¨?????§?????????
				box[tate][yoko]=0;
				}
			}

			for(tate = 0; tate < n; tate++){ 

					String str = scanner.next();
					yoko = scanner.nextInt();
					

					if(str.equals("S")){
					box[0][yoko-1]=1;
					}
					else if(str.equals("H")){
					box[1][yoko-1]=1;
					}
					else if(str.equals("C")){
					box[2][yoko-1]=1;
					}
					else if(str.equals("D")){
					box[3][yoko-1]=1;
					}
			}	

			for(tate = 0; tate < 4; tate++){ 

				for(yoko = 0; yoko < 13; yoko++){

					if(tate  == 0){
							if(box[0][yoko]==0){
							System.out.println("S "+(yoko+1));
						}
					}
					if(tate  == 1){
						if(box[1][yoko]==0){
							System.out.println("H "+(yoko+1));
						}
					}
					if(tate  == 2){
						if(box[2][yoko]==0){
							System.out.println("C "+(yoko+1));
						}
					}
					if(tate  == 3){
						if(box[3][yoko]==0){
							System.out.println("D "+(yoko+1));
						}
					}
					
				}
			}
	}
}