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.ArrayList;
import java.util.Scanner;

public class GooglerDancing {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		new GooglerDancing().run();

	}
	
	public void run(){
		
		int numDancers, targetScore, numSurprising, score, numWins;
		ArrayList<Dancer> dancers;
		Scanner input = new Scanner(System.in);
		int numCases = input.nextInt();
		input.nextLine();
		int caseNum = 1;
		
		while(caseNum <= numCases){
			
			numWins = 0;
			dancers = new ArrayList<Dancer>();
			numDancers = input.nextInt();
			numSurprising = input.nextInt();
			targetScore = input.nextInt();
			for(int dancer = 0; dancer < numDancers; dancer++){
				score = input.nextInt();
				dancers.add(new Dancer(score));
			}
			
			for(Dancer d : dancers){
				if(d.DefiniteWin(targetScore)){
					numWins++;
				} else if(d.score == 0 || d.DefiniteLoss(targetScore)){
					
					// Do nothing
				} else if (numSurprising > 0 && d.WinningSurprise(targetScore)){
					numWins++;
					numSurprising--;
				}
			}
			System.out.printf("Case #%d: %d%n", caseNum, numWins);
			caseNum++;
		}
	}

}

class Dancer {
	
	public int score;
	
	public Dancer(int score){
		this.score = score;
	}
	
	public boolean WinningSurprise(int targetScore){
		
		int firstScore = score - targetScore;
		int remainder = firstScore - (targetScore - 2);
		if(remainder >= (targetScore - 2)){
			return true;
		}
		return false;
	}
	
	public boolean DefiniteWin(int targetScore){
		int border = targetScore - 1;
		double avg = score / 3.0;
		if(avg > border){
			return true;
		}
		return false;
	}
	
	public boolean DefiniteLoss(int targetScore){
		int border = targetScore - 2;
		double avg = score / 3.0;
		if(avg >= border){
			return false;
		}
		return true;
	}
	
}
