/*
 * 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.*;
import java.util.regex.*;

public class jam02 {

	/**
	 * @param args
	 */
	
	public static void main1(){
	// scalar product problem
	}
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		int number_test;
		Scanner sc = new Scanner(System.in);
		number_test = sc.nextInt();
		for(int j=1;j<=number_test;j++) {
			int numOfGooglers = sc.nextInt();
			int numOfSurprises = sc.nextInt();
			int surPrisingNum = sc.nextInt();
			int[] googlers = new int[numOfGooglers];
			for(int i=0;i<numOfGooglers;i++)
			{
				googlers[i] = sc.nextInt();
			}
			System.out.print("Case #" + j + ": ");
			action(surPrisingNum,numOfSurprises,googlers);
//			System.out.println(sum);
		}
	}


	private static void action(int surPrisingNum, int numOfSurprises,
			int[] googlers) {
		// TODO Auto-generated method stub
		// Iterating over the elements in the set
		int finalGuys = 0;
		for(int i=0;i<googlers.length;i++)
		{
			if(googlers[i] >= (surPrisingNum*3)-2)
			{
				finalGuys++;
			}
			else if(numOfSurprises !=0 && googlers[i] !=0 && googlers[i] >= (surPrisingNum*3)-4)
			{
				finalGuys++;
				numOfSurprises--;
			}
		}
		System.out.println(finalGuys);
			
	}
}
