import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;


public class GooglersDancer {

	/**
	 * @param args
	 * @throws IOException
	 */
	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		InputStreamReader converter = new InputStreamReader(System.in);
		BufferedReader in = new BufferedReader(converter);
		if (in == null) {
		      return;
		    }
		String numTest = in.readLine();
		int maxCases = Integer.valueOf(numTest);
		for(int i=1;i<= maxCases;i++){
			String linea = in.readLine();
			String[] datos = linea.split(" ");
			Integer googlers = Integer.valueOf(datos[0]);
			Integer sospechosos = Integer.valueOf(datos[1]);
			Integer p = Integer.valueOf(datos[2]);
			Integer puntuacion;
			Integer personas = 0;
			ArrayList<Integer> puntuaciones = new ArrayList<Integer>();
			for(int j=0;j<googlers;j++){
				puntuacion = Integer.valueOf(datos[3+j]);
				puntuaciones.add(puntuacion);
			}
			Integer[] pOrdenado = null;
			pOrdenado = (Integer[]) puntuaciones.toArray(new Integer[puntuaciones.size()]);
			Arrays.sort(pOrdenado);
			int j;
			for(j=pOrdenado.length-1;j>=0;j--){
				if(pOrdenado[j] >= p*3-2){
					personas += 1;
				}else{
					break;
				}
			}
			int posibles = j+1-sospechosos;
			for(;j>=posibles && j>= 0;j--){
				if(pOrdenado[j] >= p*3-4 && pOrdenado[j] > p){
					personas += 1;
				}else{
					break;
				}
			}
			System.out.println("Case #"+i+": "+personas);
		}
	}

}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package dancingwiththegooglers;

import java.util.*;
import java.io.*;
/**
 * Google Code Jam 2012
 * Problem B. Dancing With the Googlers
 * @author STEVEN GANTENG
 * step.v4n@gmail.com
 */
public class DancingWithTheGooglers {
    
    public static int cases;
    public static String result="";
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        try {
            FileInputStream fin = new FileInputStream("B-large-in.txt");
            FileOutputStream fout = new FileOutputStream("B-large.out");
            Scanner source = new Scanner(fin);
            cases = source.nextInt();
            Double t[] = new Double[100];
            int count=0;
            int a=1;
            for (int j=0;j<cases;j++)
            {
                
                int N = source.nextInt();
                int S = source.nextInt();
                double p = source.nextDouble();//System.out.println(p)
                Double tmp[] = new Double[100];                
                for (int i=0;i<N;i++)
                {
                    t[i]=source.nextDouble();
                    //System.out.print(t[i]+" ");
                    tmp[i] = t[i]/3;                                                                 
                }
                for (int k=0;k<N;k++)
                {                    
                    if (tmp[k]>=p)
                    {
                        count++;
                    }
                    else if (tmp[k]==0)
                    {
                        if (p>0)
                        {
                            
                        }
                    }
                    else if ((tmp[k]-p)>-0.7)
                    {
                        count++;
                    }
                    else if ((tmp[k]-p)>-1.34)
                    {
                        if (S==0)
                        {
                            
                        }
                        else if (S!=0)
                        {
                            count++;
                            S-=1;
                        }
                    }
                        
                    //System.out.print(tmp[k]+" ");
                }
                System.out.println();                
                result += "Case #"+a+": "+count+"\n";    
                a++;
                fout.write(result.getBytes());
                result="";
                count=0;
                System.out.println();                
                
            }
        } catch (IOException e)
        {
            
        }
        //System.out.print(0/3);
    }
}
