package problem1;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Arrays;





public class Problem1 {

    public static void main(String[] args) throws FileNotFoundException, IOException{
        try {
             TextIO.readFile("L:\\Coodejam\\Input\\Input.txt");
        }
        catch (IllegalArgumentException e) {
              System.out.println("Can't open file ");
              System.exit(0);
         }
        
        FileOutputStream fout = new FileOutputStream("L:\\Coodejam\\Output\\output.txt");
        PrintStream ps=new PrintStream(fout);
        
        int cases=TextIO.getInt();
        int googlers=0,surprising=0,least=0;
        for(int i=0;i<cases;i++){
            int counter=0;
            googlers=TextIO.getInt();
            surprising=TextIO.getInt();
            least=TextIO.getInt();
            int score[]=new int[googlers];
            for(int j=0;j<googlers;j++){
                score[j]=TextIO.getInt();
                 }
            
            
            
            
            Arrays.sort(score);
            int temp=0;
            int sup[]=new int[surprising];
            
          for(int j=0;j<googlers && surprising>0;j++){
               if(biggestNS(score[j])<least && biggestS(score[j])==least){
                   surprising--;
                   counter++;
                }
               }
           
            for(int j=0;j<googlers;j++){
                if(surprising==0)temp=biggestNS(score[j]);
                    
                else {
                    temp=biggestS(score[j]);
                    surprising--;     
                } 
                   if(temp>=least)counter++;
           
             }
            
             ps.println("Case #"+(i+1)+": "+counter);
        }
    }
    
   static int biggestNS(int x){
       if(x==0)return 0;
       if(x==1)return 1;
       return ((x-1)/3)+1;
   }
   
   static int biggestS(int x){
       if(x==0)return 0;
       if(x==1)return 1;
       return ((x-2)/3)+2;
   }
}
import util.CombinationGenerator;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

public class SetUtil {
    public static long getOne(int n) {
        return 1<<n;
    }

    public static List<Integer> getList(long set, int n) {
        ArrayList<Integer> integers = new ArrayList<>();
        for (int i=0;i<n; i++) {
            if ((set & getOne(i))!=0) {
                integers.add(i);
            }
        }
        return integers;
    }
    public static <T>long getForList(Map<T,Integer> positions, List<T> objs) {
        long res = 0L;
        for (T obj : objs) {
            int pos = positions.get(obj);
            res |= getOne(pos);
        }
        return res;
    }

    public static void cycleSubsets(int num, SubsetCallBack callBack) {
        callBack.run(0, 0);
        for (int i =  1; i<=num; i++) {
            CombinationGenerator generator = new CombinationGenerator(num,i);

            while (generator.hasMore()) {
                long n = 0;
                int[] next = generator.getNext();
                for (int i1 : next) {
                    n |= getOne(i1);
                }
                callBack.run(n,i);
            }
        }

    }

    public static interface SubsetCallBack {
        void run(long subset, int i);
    }
}
