import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        int n = stdIn.nextInt();
        boolean[][] cards = new boolean[4][13];
        for (int i=0; i<n; i++) {
            String s = stdIn.next();
            switch (s.charAt(0)) {
                case 'S':cards[0][stdIn.nextInt()-1] = true; break;
                case 'H':cards[1][stdIn.nextInt()-1] = true; break;
                case 'C':cards[2][stdIn.nextInt()-1] = true; break;
                case 'D':cards[3][stdIn.nextInt()-1] = true; break;
            }
        }
        char[] c = {'S','H','C','D'};
        for (int i=0; i<4; i++) {
            for (int j=0; j<13; j++) {
                if (!cards[i][j]) {
                    System.out.println(c[i]+" "+(j+1));
                }
            }
        }
    }
}

