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;
using System.Linq;

class ITP1
{
    static void Main()
    {
            string str = Console.ReadLine();
            int a = int.Parse(str);
            int[] s = new int[14];
            int[] h = new int[14];
            int[] c = new int[14];
            int[] d = new int[14];
            for (int i = 0; i < a; i++)
            {
                str = Console.ReadLine();
                char mark = char.Parse(str.Split(' ')[0]);
                int rank = int.Parse(str.Split(' ')[1]);
                if (mark == 'S')
                {
                    s[rank]=1;
                }
                if (mark == 'H')
                {
                    h[rank]=1;
                }
                if (mark == 'C')
                {
                    c[rank]=1;
                }
                if (mark == 'D')
                {
                    d[rank]=1;
                }
            }
                
for(int i=1;i<14;i++)
{
    if(s[i]==0){Console.WriteLine("S {0}",i);
    }
}
for (int i = 1; i < 14; i++)
{
    if(h[i]==0){Console.WriteLine("H {0}",i);
    }
}
for (int i = 1; i < 14; i++)
{
    if(c[i]==0){Console.WriteLine("C {0}",i);
    }
}
for (int i = 1; i < 14; i++)
{
    if(d[i]==0){Console.WriteLine("D {0}",i);
    }
}

                    
                
        
    }
}