#include <map>
#include <set>
#include <list>
#include <cmath>
#include <ctime>
#include <deque>
#include <stack>
#include <queue>
#include <cctype>
#include <cstdio>
#include <string>
#include <vector>
#include <climits>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <algorithm>
#define LL long long
#define PI 3.1415926535897932626
using namespace std;
int gcd(int a, int b) {return a % b == 0 ? b : gcd(b, a % b);}
const char * mahjong[] = {
"1T","2T","3T","4T","5T","6T","7T","8T","9T",
"1S","2S","3S","4S","5S","6S","7S","8S","9S",
"1W","2W","3W","4W","5W","6W","7W","8W","9W",
"DONG","NAN","XI","BEI","ZHONG","FA","BAI"};
int id(char *s)
{
        for (int i = 0 ; i < 34; i++)
                if (strcmp(s,mahjong[i]) == 0) return i ;
        return -1;
}
int cnt[34];
bool found;
void dfs(int cur)
{
        if (found) return ;
        if (cur == 0) {found = true; return ;}
        for (int i = 0 ; i < 34;i ++)
        {
                if (cnt[i] >= 3)
                {
                        cnt[i] -= 3;
                        dfs(cur - 3);
                        if (found) return ;
                        cnt[i] += 3;
                }
        }
        for (int i = 0 ; i < 7; i++)
        {
                if (cnt[i] && cnt[i + 1] && cnt[i + 2])
                {
                        cnt[i]--;cnt[i + 1]--;cnt[i + 2]--;
                        dfs(cur - 3);if (found) return ;
                        cnt[i]++;cnt[i + 1]++;cnt[i +2]++;
                }
        }
        for (int i = 9; i < 16; i++)
        {
                if (cnt[i] && cnt[i + 1] &&cnt[i + 2])
                {
                        cnt[i]--;cnt[i + 1]--;cnt[i + 2]--;
                        dfs(cur - 3);if (found) return ;
                        cnt[i]++;cnt[i + 1]++;cnt[i +2]++;
                }
        }
        for (int i = 18 ; i < 25 ; i++)
        {
                if (cnt[i] && cnt[i + 1] && cnt[i + 2])
                {
                        cnt[i]--;cnt[i + 1]--;cnt[i + 2]--;
                        dfs(cur - 3);if (found) return ;
                        cnt[i]++;cnt[i + 1]++;cnt[i +2]++;
                }
        }
}
bool judge()
{
        for (int i = 0 ; i < 34; i++)
        {
                if (cnt[i] >= 2)
                {
                        cnt[i] -= 2;
                       // printf("i = %d\n",i);
                        found = false;
                        dfs(12);
                        if (found) return true;
                        cnt[i] += 2;
                }
        }
        return false;
}
int main()
{
        //freopen("sample.txt","r",stdin);
        char res[100];
        bool flag;
        int kase = 1,mj[20];
        while (scanf("%s",res) != EOF)
        {
                if (res[0] == '0') break;
                printf("Case %d:",kase++);
                mj[0] = id(res);
                for (int i = 1; i < 13; i++)
                {
                        scanf("%s",res);
                        mj[i]= id(res);
                }
                flag = false;
                for (int i = 0; i < 34; i++)
                {
                        memset(cnt,0,sizeof(cnt));
                        for (int j = 0 ; j < 13; j++)
                                cnt[mj[j]]++;
                        if (cnt[i] >= 4) continue;
                        cnt[i]++;
                        if (judge())
                        {
                                flag = true;
                                printf(" %s",mahjong[i]);
                        }
                        cnt[i]--;
                }
                if (flag) putchar('\n');
                else printf(" Not ready\n");
        }
        return 0;
}

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