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.PrintWriter;
import java.util.ArrayList;

public class B {
	
	private String nombreInputOutput;
	private BufferedReader input;
	public int surprising = 0;

	public B(String nombreInputOutput) {
		this.nombreInputOutput = nombreInputOutput;
	}

	public void run() {
		try {
			input = new BufferedReader(new FileReader(new File(nombreInputOutput + ".in")));
			PrintWriter output = new PrintWriter(new File(nombreInputOutput + ".out"));
			
			int num_cases = Integer.parseInt(input.readLine().trim());
			String Solution;
			for (int runs = 1; runs <= num_cases; runs++) {
				Solution = new Solution().solve_case(input.readLine().trim());
				String result = "Case #" + runs + ": " + Solution;
				output.println(result);
				System.out.println(result);
			}
			output.close();
		} catch (Exception e) {
				e.printStackTrace();
		}
	}

	public class Solution {
		
		public String solve_case(String caseline) throws Exception { 	
			String[] inputs = caseline.split("\\s+");
			int numGooglers = Integer.parseInt(inputs[0]);
			surprising = Integer.parseInt(inputs[1]);
			int bestResult = Integer.parseInt(inputs[2]);			
			ArrayList<Double> googlers = new ArrayList<Double>();
			int inputsTotal = inputs.length;
			for (int i = 1; i <= numGooglers; i++) {
				googlers.add(Double.parseDouble(inputs[inputsTotal - i]));
			}
			
			int maxNumGooglers = 0;
			for (Double g : googlers) {
				if (checkGoogler(g, bestResult)) {
					maxNumGooglers++;
				}
			}
			String Solution = Integer.toString(maxNumGooglers);
			return Solution;
		}
		
		private Boolean checkGoogler(Double result, int bestResult) {
			Double resultbythree = result / 3;
			if (resultbythree > bestResult-1) {
				return true;
			} else if (bestResult*3 > 5 && result > bestResult*3-5) {
				if (surprising > 0) {
					surprising--;
					return true;
				} else {
					return false;
				}
			} else {
				return false;
			}
		}
	}
	
	public static void main(String[] args) {
        B b = new B("B-small");
		b.run(); 
    }
		
}