#include<bits/stdc++.h>
int card[52];
main(){
    int N;
    scanf("%d%*c",&N);
    char c[] = "DCHS";
    char n[] = "A23456789TJQK";
    for(int i = 0;i < N;i++){
        char a,b;
        scanf("%c%c%*c",&a,&b);
        card[(strchr(c,a)-c)*13+(strchr(n,b)-n)] = 1;
    }
    for(int i = 0;i < 52;i++){
        if(card[i]){
            printf("%c%c ",c[i/13],n[i%13]);
        }
    }
}