

import java.util.Scanner;

public class Main {
	public static void main(String[] args){

		//????????£????????????
		Scanner sc = new Scanner(System.in);
		//??????????????£?¨?
		boolean [][] cards = new boolean[4][13];
		
		//????????????????????°
		int num =sc.nextInt();
		//??\????????????????????????????????°????????????
		for(int i=0; i < num; i++){
			//????????????????????????
			String mark = sc.next();
			//??????????????????????????°????????\?????????????????????true
			if(mark.equals("S")){
				cards[0][sc.nextInt()-1] = true;
			}else if(mark.equals("H")){
				cards[1][sc.nextInt()-1] = true;
			}else if(mark.equals("C")){
				cards[2][sc.nextInt()-1 ]= true;
			}else if(mark.equals("D")){
				cards[3][sc.nextInt()-1] = true;
			}
		}
		//?????????????????????????????¨???
		for(int i = 0; i< cards.length;i++){
			for(int j=0; j< cards[0].length;j++){
				if(i == 0){
					System.out.println("S " + (j+1));
				}else if(i == 1 ){
					System.out.println("H " + (j+1));
				}else if(i == 2){
					System.out.println("C " + (j+1));
				}else if(i == 3){
					System.out.println("D " + (j+1));
				}
			}
		}

	}
}