import java.util.*;

class Main {
	public static void main(String[] arg){
		Scanner in = new Scanner(System.in);
		boolean[][] trump = new boolean[4][13];
		char[] head = {'S','H','C','D'} ;
		int n = in.nextInt();
		for(int i=0;i<n;i++){
			char head_in = in.next().charAt(0);
			int num = Integer.parseInt(in.next());
			switch(head_in){
			case 'S':trump[0][num-1] = true;break;
			case 'H':trump[1][num-1] = true;break;
			case 'C':trump[2][num-1] = true;break;
			case 'D':trump[3][num-1] = true;break;
			}	
		}
		for(int i=0;i<4;i++){
			for(int j=0;j<13;j++){
				if(trump[i][j] == false){
					System.out.println(head[i]+" "+(j+1));
				}
			}
		}
	}	
}