#!/usr/bin/python
# -*- coding: utf-8 -*-

N = input()
hand = raw_input().split()

card_list_D = [0] * 13
card_list_C = [0] * 13
card_list_H = [0] * 13
card_list_S = [0] * 13
card_list = [card_list_D, card_list_C, card_list_H, card_list_S]

def check_cardnumber(target_card, target_suit):
    if "A" in target_card:
        target_suit[0] = 1
    elif "T" in target_card:
        target_suit[9] = 1
    elif "J" in target_card:
        target_suit[10] = 1
    elif "Q" in target_card:
        target_suit[11] = 1
    elif "K" in target_card:
        target_suit[12] = 1
    else:
        target_suit[int(card[1])-1] = 1

for card in hand:
    if "D" in card:
        check_cardnumber(card, card_list_D)
    elif "C" in card:  
        check_cardnumber(card, card_list_C)
    elif "H" in card:
        check_cardnumber(card, card_list_H)
    elif "S" in card:
        check_cardnumber(card, card_list_S)
        
# カードリストつくった

suits = ["D", "C", "H", "S"]
numbers = ["A", "2", "3", "4", "5", "6", "7", "8", "9", "T", "J", "Q", "K"]

for i in range(4):
    for n in range(13):
        if card_list[i][n] == 1:
            print suits[i]+numbers[n],

# それをもとにプリント