/*
 * 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.*;
public class Main
{
	public static void main(String[] args)throws IOException
	{
		new Main().start();
	}
	public void start()throws IOException
	{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st;
		int test=Integer.parseInt(br.readLine());
		int ind=1;
		
		while(test-->0)
		{
			st=new  StringTokenizer(br.readLine());
			int ans=0;
			int N=Integer.parseInt(st.nextToken());
			int S=Integer.parseInt(st.nextToken());
			int p=Integer.parseInt(st.nextToken());
			int totalScore[]=new int[N];
			for(int i=0;i<N;i++)
			{
				totalScore[i]=Integer.parseInt(st.nextToken());
			}
			if(p==0)
			{
				ans=N;
				System.out.println("Case #"+ind+": "+ans);
				ind++;
				continue;
			}
			if(p==1)
			{
				ans=0;
				for(int i=0;i<N;i++)
					if(totalScore[i]!=0)
						ans++;
				System.out.println("Case #"+ind+": "+ans);
				ind++;
				continue;
			}
			Arrays.sort(totalScore);
			boolean cons[]=new boolean[N];
			int max=3*p-4;
			for(int i=0;i<N && S>0;i++)
			{
				if(totalScore[i]>=max)
				{
					ans++;
					cons[i]=true;
					S--;
				}
			}
			max=3*p-2;
			for(int i=0;i<N;i++)
			{
				if(totalScore[i]>=max && !cons[i])
					ans++;
			}
			System.out.println("Case #"+ind+": "+ans);
			ind++;
		}
	}
}