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.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;

public class IOGoogleCodeJam{
	public static ArrayList<String> fileInput(String fileName){
		File file = null;
		FileReader fr = null;
		BufferedReader br = null;
		ArrayList<String> inputs= new ArrayList<String>();
		int lines;
		try {
			// Apertura del fichero y creacion de BufferedReader para poder
			// hacer una lectura comoda (disponer del metodo readLine()).
			file= new File (fileName);
			fr = new FileReader (file);
			br = new BufferedReader(fr);
			// Lectura del fichero
			while(br.ready()){
				inputs.add(br.readLine());
			}
		}catch(Exception e){
			e.printStackTrace();
	         }finally{
	         // En el finally cerramos el fichero, para asegurarnos
	         // que se cierra tanto si todo va bien como si salta 
	         // una excepcion.
	         try{                    
	            if( null != fr ){   
	               fr.close();     
	            }                  
	         }catch (Exception e2){ 
	            e2.printStackTrace();
	         }
		}
		return inputs;
	}
	
	public static void resultsOutput(ArrayList<String> args, int argsPerLine){
		int numArg=0;
		int maxNumber= args.size()/argsPerLine;
		for(int caseNumber=1;caseNumber<=maxNumber;caseNumber++){
			System.out.print("Case #"+caseNumber+": ");
			for(int i=1;i<=argsPerLine;i++){
				System.out.print(args.get(numArg)+" ");
				numArg++;
			}
			System.out.println();
		}
	}
}

