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

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Lance Chen
 */
public class CodeHelper {

    private static String FILE_ROOT = "D:/workspace/googlecodejam/meta";

    public static List<List<String>> loadInputsExcludes(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        int index = 0;
        for (String line : lines) {
            if (index == 0) {
                index++;
                continue;
            }
            if (index % 2 == 1) {
                index++;
                continue;
            }
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
            index++;
        }
        return result;
    }

    public static List<List<String>> loadInputs(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        for (String line : lines) {
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
        }
        return result;
    }

    public static List<String> loadInputLines(String fileName) {
        return FileUtil.readLines(FILE_ROOT + fileName);
    }

    public static void writeOutputs(String fileName, List<String> lines) {
        FileUtil.writeLines(FILE_ROOT + fileName, lines);
    }
}

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);
			
	}
}
