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.util.*;

class Dancing
{
  public static int compute(int numGooglers, int numSurprising, int targetScore, int[]scores)
  {
    int count = 0;
    
    for(int i = 0; i < numGooglers; i++)
    {
      if(scores[i] >= targetScore && scores[i]/3 >= targetScore)
        count++;
      else if(scores[i] >= targetScore && scores[i]%3 > 0 && scores[i]/3 + 1 >= targetScore)
        count++;
      else if(scores[i] >= targetScore && numSurprising > 0 && scores[i]%3 == 0 && scores[i]/3 + 1 >= targetScore)
      {
        count++;
        numSurprising--;
      }
      else if(scores[i] >= targetScore && numSurprising > 0 && scores[i]%3 > 1 && scores[i]/3 + 2 >= targetScore)
      {
        count++;
        numSurprising--;
      }
    }
    
    return count;
  }
  
  public static void main(String[] args)
  {
    Scanner sc = new Scanner(System.in);
    int numCase, numSurprising, numGooglers, targetScore;
    int[] totalScores;
    
    numCase = sc.nextInt();
    
    for(int i = 0; i < numCase; i++)
    {
      numGooglers = sc.nextInt();
      numSurprising = sc.nextInt();
      targetScore = sc.nextInt();
      totalScores = new int[numGooglers];
      for(int j = 0; j < numGooglers; j++)
        totalScores[j] = sc.nextInt();
      
      System.out.println("Case #"+(i+1)+": "+compute(numGooglers, numSurprising, targetScore, totalScores));
    }
  }
}