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 C# (judge verdict: Accepted)

using System;

namespace ConsoleApplication15
{
    class Program
    {
        static void Main(string[] args)
        {
            string n = Console.ReadLine();
            string[,] trump = new string[4, 13];
            bool[,] judge = new bool[4,13];
            int o = int.Parse(n);
            for (int i = 0; i < o; i++)
            {
                String[] input = Console.ReadLine().Split(' ');
                int j = int.Parse(input[1]);

                switch (input[0])
                {
                    case "S":
                        judge[0, j-1] = true;
                        break;
                    case "H":
                        judge[1, j - 1] = true;
                        break;
                    case "C":
                        judge[2, j-1 ]= true;
                        break;
                    case "D":
                        judge[3, j-1 ]= true;
                        break;
                }
            }

            
            string suit = " ";
            for (int x = 0; x < 4; x++)
            {
                for (int y = 0; y < 13; y++)
                {
                    if (judge[x, y] == false)
                    {
                        switch (x)
                        {
                            case 0:
                                suit = "S";
                                break;
                            case 1:
                                suit = "H";
                                break;
                            case 2:
                                suit = "C";
                                break;
                            case 3:
                                suit = "D";
                                break;
                        }
                        trump[x, y] = suit + " " + (y + 1);
                        Console.WriteLine(trump[x, y]);
                    }
                }
            }
        }
    }
}