import java.util.Scanner;
class exe16
{
    public static void main(String args[])
    {
	int n,c;
	String b;
	Scanner scan=new Scanner(System.in);
	n=scan.nextInt();
	boolean a[][]=new boolean[4][13];
	for(int i=0;i<n;i++)
	    {
		b=scan.next();
		c=scan.nextInt();
		if(b.equals("S"))a[0][c-1]=true;
		else if(b.equals("H"))a[1][c-1]=true;
		else if(b.equals("C"))a[2][c-1]=true;
		else if(b.equals("D"))a[3][c-1]=true;
	    }
	for(int i=0;i<4;i++)
	    {
		for(int j=0;j<13;j++)
		    {
			if(a[i][j]==true && i==0)
			    {
				System.out.println("S "+(j+1));
			    }
			else if(a[i][j]==true && i==1)
			    {
				System.out.println("H "+(j+1));
			    }
			else if(a[i][j]==true && i==2)
			    {
				System.out.println("C "+(j+1));
			    }
			else if(a[i][j]==true && i==3)
			    {
				System.out.println("D "+(j+1));
			    }
		    }
	    }
    }
}