package problem1;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Arrays;





public class Problem1 {

    public static void main(String[] args) throws FileNotFoundException, IOException{
        try {
             TextIO.readFile("L:\\Coodejam\\Input\\Input.txt");
        }
        catch (IllegalArgumentException e) {
              System.out.println("Can't open file ");
              System.exit(0);
         }
        
        FileOutputStream fout = new FileOutputStream("L:\\Coodejam\\Output\\output.txt");
        PrintStream ps=new PrintStream(fout);
        
        int cases=TextIO.getInt();
        int googlers=0,surprising=0,least=0;
        for(int i=0;i<cases;i++){
            int counter=0;
            googlers=TextIO.getInt();
            surprising=TextIO.getInt();
            least=TextIO.getInt();
            int score[]=new int[googlers];
            for(int j=0;j<googlers;j++){
                score[j]=TextIO.getInt();
                 }
            
            
            
            
            Arrays.sort(score);
            int temp=0;
            int sup[]=new int[surprising];
            
          for(int j=0;j<googlers && surprising>0;j++){
               if(biggestNS(score[j])<least && biggestS(score[j])==least){
                   surprising--;
                   counter++;
                }
               }
           
            for(int j=0;j<googlers;j++){
                if(surprising==0)temp=biggestNS(score[j]);
                    
                else {
                    temp=biggestS(score[j]);
                    surprising--;     
                } 
                   if(temp>=least)counter++;
           
             }
            
             ps.println("Case #"+(i+1)+": "+counter);
        }
    }
    
   static int biggestNS(int x){
       if(x==0)return 0;
       if(x==1)return 1;
       return ((x-1)/3)+1;
   }
   
   static int biggestS(int x){
       if(x==0)return 0;
       if(x==1)return 1;
       return ((x-2)/3)+2;
   }
}
import java.io.*;
import java.math.*;
import java.util.*;

class Main{

	static BufferedReader br;
	static PrintWriter pw;
	static File in;
	static File out;
	static String name="B-small-attempt0";
	
	
	public static void main(String[] args){
		try{
			in=new File(name+".in");
			out=new File(name+".out");
			br=new BufferedReader(new FileReader(in));
			pw=new PrintWriter(new BufferedWriter(new FileWriter(out)));
			
			int nbCase = Integer.parseInt(br.readLine());
			
			
			for (int n=1;n<=nbCase;n++){
				String line=br.readLine();
				
				int googlers=Integer.parseInt(line.substring(0,line.indexOf(" ")));
				line=line.substring(line.indexOf(" ")+1);
				
				int surprise=Integer.parseInt(line.substring(0,line.indexOf(" ")));
				line=line.substring(line.indexOf(" ")+1);
				
				int min=Integer.parseInt(line.substring(0,line.indexOf(" ")));
				line=line.substring(line.indexOf(" ")+1);
				
				int scoreSurprise=min+Math.max(0,min-2)*2;
				int score=min+Math.max(0,min-1)*2;
				
				int count=0;
				for (int i=0;i<googlers;i++){
					int point;
					if (i==googlers-1) point=Integer.parseInt(line);
					else{
						point=Integer.parseInt(line.substring(0,line.indexOf(" ")));
						line=line.substring(line.indexOf(" ")+1);
					}
					
					if (point>=score) count++;
					else{
						if (surprise!=0){
							if (point>=scoreSurprise){
								surprise--;
								count++;
							}
						}
					}
				}
				
				pw.println("Case #"+n+": "+count);
			}
			
			
			pw.flush();
			pw.close();
			br.close();
		}catch(Exception e){
			e.printStackTrace();
		}
	}
	
	
	
	
}
