/*
 * 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 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++;
		}
	}
}