using System.Collections.Generic;
using System.Linq;
using System;

public class Hello
{
    public static void Main()
    {
        var ans = new List<string>();
        var m = "DCHS";
        var m2 = "A23456789TJQK";
        var n = int.Parse(Console.ReadLine().Trim());
        string[] s = Console.ReadLine().Trim().Split(' ');
        for (int i = 0; i < 4; i++)
            for (int j = 0; j < 13; j++)
            {
                var a = "" + m[i] + m2[j];
                if (s.Contains(a)) ans.Add(a);
            }
        Console.WriteLine(string.Join(" ", ans));
    }
}