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 codejam;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 *
 * @author VISHAL
 */
public class Googlers {
    public static void main(String args[]) throws IOException{
        Scanner in=new Scanner(new File("H:\\in.txt"));
        FileWriter fout=new FileWriter("H:\\out.txt");
        PrintWriter outfile=new PrintWriter(fout);
//        Scanner in=new Scanner(System.in);
        int t;
        t=in.nextInt();
        for(int i=0;i<t;i++){
            int n,p,s;
            n=in.nextInt();
            s=in.nextInt();
            p=in.nextInt();
            int count=0;
            for(int j=0;j<n;j++){
                int s1;
                s1=in.nextInt();
                if(s1<p)
                    continue;
               if(s1>=3*p-2)
                   count++;
               else if(s!=0 && s1>=3*p-4)
               {
                   s--;
                   count++;
               }
            }
           outfile.println("Case #"+(i+1)+": "+count);
        }
  outfile.close();
    }

}
