/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package IO;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
    
/**
 * 
 * @author dannocz
 */
public class InputReader {
    
    public static Input readFile(String filename){
        try {
              
              /*  Sets up a file reader to read the file passed on the command
          77        line one character at a time */
              FileReader input = new FileReader(filename);
              
              /* Filter FileReader through a Buffered read to read a line at a
                 time */
              BufferedReader bufRead = new BufferedReader(input);
              
              String line;    // String that holds current file line
              int count = 0;  // Line number of count 
              ArrayList<String> cases= new ArrayList<String>();
              
              // Read first line
              line = bufRead.readLine();
              int noTestCases=Integer.parseInt(line);
              count++;
              
              // Read through file one line at time. Print line # and line
              while (count<=noTestCases){
                  //System.out.println("Reading. "+count+": "+line);
                  line = bufRead.readLine();
                  cases.add(line);
                  count++;
              }
              
              bufRead.close();
              
              return new Input(noTestCases,cases);
              
          }catch (ArrayIndexOutOfBoundsException e){
              /* If no file was passed on the command line, this expception is
              generated. A message indicating how to the class should be
              called is displayed */
              e.printStackTrace();        
  
          }catch (IOException e){
              // If another exception is generated, print a stack trace
              e.printStackTrace();
          }
        
        return null;
          
      }// end main
    }

import java.io.*;
import java.util.*;

public class DanceScore
{
	int score;
	boolean surprise = false;
	boolean madeIt = false;
	
	public DanceScore(int score)
	{
		this.score = score;
	}
	
	private void p(String p)
	{
		//System.out.println(p);
	}
	
	public void process(int bestResult)
	{
		int goal = bestResult-2;
		int lastNumber = score-bestResult-bestResult;
		p("score " + score);
		
		p("goal " + bestResult);
		p("lastNumber " + lastNumber);
		if (lastNumber <0)
		{
			madeIt= false;
			surprise = false;
			return;
		}
		
		if (lastNumber >= goal)
			madeIt = true;
		
		int surpriseNumber = bestResult-4;
		if (lastNumber >= surpriseNumber)
			surprise = true;
			
		p("madeIt " + madeIt);
		p("surprise " + surprise);
	}
	
	public boolean surprise()
	{
		return surprise;
	}
	
	public boolean madeIt()
	{
		return madeIt;
	}
	
	
	public static int maxNumber(int[] scores, int numSurprises, int goal)
	{
		int madeItCount = 0;
		int surpriseCount = 0;
		for (int score : scores)
		{
			DanceScore danceScore = new DanceScore(score);
			danceScore.process(goal);
			if (danceScore.madeIt())
				madeItCount++;
			else if (danceScore.surprise())
				surpriseCount++;
		}
		
		if (surpriseCount > numSurprises)
			madeItCount += numSurprises;
		else madeItCount += surpriseCount;
		
		return madeItCount;
	}

	public static void main (String [] args)
	{
		try
		{
			InputStreamReader converter = new InputStreamReader(System.in);
			BufferedReader in = new BufferedReader(converter);

			Integer numCases = Integer.valueOf(in.readLine());
			
			for (int i = 0; i < numCases; i ++)
			{
				String input = in.readLine();
				String[] values = input.split(" ");
				int numPeople = Integer.valueOf(values[0]);
				int numSurprises = Integer.valueOf(values[1]);
				int goal = Integer.valueOf(values[2]);
				int[] scores = new int[numPeople];
				for (int j = 0; j < numPeople ; j++)
				{
					scores[j] = Integer.valueOf(values[3+j]);
				}
				int maxNumber = maxNumber(scores, numSurprises, goal);
				System.out.println("Case #" + (i+1) + ": " + maxNumber);
			}
		} catch (Exception e)
		{
			throw new RuntimeException (e);
		}
	}
}