#include<iostream>
using namespace std;

int main(){
	bool cards[4][14];
	int n, rank;
	char suit;

	for(int s=0; s<4; s++){
		for (int r=1; r<=13; r++){
			cards[s][r] = 0;
                }
        }

	cin >> n;
	for(int i=0; i<n; i++){
		cin >> suit >> rank;
		if(suit == 'S'){
                    cards[0][rank] = 1;
		}
                if(suit == 'H')
                    cards[1][rank] = 1;
		}
                if(suit == 'C')
                    cards[2][rank] = 1;
                }
		if(suit == 'D') 
                    cards[3][rank] = 1;
                }
	}

	for(int s=0; s<4; s++){
		for(int r=1; r<=13; r++){
			if(cards[s][r]) continue;
			if(s==0) suit = 'S';
			if(s==1) suit = 'H';
			if(s==2) suit = 'C';
			if(s==3) suit = 'D';
			cout << suit << "" << r << endl;
		}
	}
	return 0;
}