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 java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;


public class dancing {

    
    public static void dancers(String input) throws IOException {
        BufferedReader in = new BufferedReader(new FileReader("src/test1")); 
        String newline;
        String line;
        StringBuilder bubs = new StringBuilder();

        
        //String[] lines = input.split("\\r?\\n");
        int T = Integer.parseInt(""+in.readLine().charAt(0));

        int i=0;
        while ((line=in.readLine())!=null) {
            i++;
            String[] splitline = line.split("\\s+");
            int count = 0;
            int N = Integer.parseInt(splitline[0]);
            int S = Integer.parseInt(splitline[1]);
            int p = Integer.parseInt(splitline[2]);
            
            StringBuilder subs = new StringBuilder();
            subs.append("Case #" + i + ": ");
            
            for (int j=3;j<splitline.length;j++) {
                int t = Integer.parseInt(splitline[j]);
                if (t >= 3*p) {
                    count++;
                } else if (t >= 3*p-2 && t>0){
                    count++;
                } else if ( t>= 3*p-4 && S>0 && t>1) {
                    count++;
                    S--;
                }
            }
            subs.append(count);
            bubs.append(subs.toString());
            System.out.println(subs.toString());
        }
        
        
        try {
            BufferedWriter out = new BufferedWriter(new FileWriter("output"));
            out.write(bubs.toString());
            out.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }

}
