import java.util.*;
 
class  Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int n;
		String a;
		int b = 0;
		int[][]kard = new int[4][13];//たて４ S,H,C,D用横 13 1?１３の配列準備
		String []mark = {"S","H","C","D"};
		n = sc.nextInt();
		for(int i=0; i<n; i++){ 
			a = sc.next();
			b = sc.nextInt();
			for(int d=0; d<4; d++){
				if(mark[d].equals(a))
				kard[d][b-1]++;
			}
		}
		for(int c=0; c<4; c++){
			for(int d=0; d<13; d++){
				if( kard[c][d]==0) 
				System.out.println(mark[c]+" "+(d+1)); 
			}
		}
	}
}