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 codejam2012;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.PrintWriter;

/**
 *
 * @author malgia
 */
public class Triplets {

    /**
     * @param args the command line arguments
     */
public static void main(String[] args) {
        Integer number=0;
        Integer total=0;
        String newLine="";
        String text;
        String data[];
        Integer googlers;
        Integer surprising;
        Integer value;
        Integer result;
        Integer score;
        Integer difference;
        try{
        BufferedReader fin=new BufferedReader(new InputStreamReader(new FileInputStream(new File("B-large.in"))));
        PrintWriter fout = new PrintWriter (new BufferedWriter (new FileWriter ("B-large.out")));
        total=Integer.parseInt(fin.readLine());
        for (int i=0;i<total;i++){
            result=0;
            data=fin.readLine().split(" ");
            googlers=Integer.parseInt(data[0]);
            surprising=Integer.parseInt(data[1]);
            value=Integer.parseInt(data[2]);
            for(int j=3; j<3+googlers;j++){
                score=Integer.parseInt(data[j]);
                difference=score%3;
                if(score==0){
                    if(score>=value){
                        result++;
                    }
                    continue;
                }
                if(difference==0 && score/3>=value){
                    result++;
                    continue;
                }
                if((difference==1 || difference==2) && score/3+1>=value){
                    result++;
                    continue;
                }
                if(difference>=2 && score/3+2>=value && surprising>0){
                    result++;
                    surprising--;
                    continue;
                }
                if(difference==0 && score/3+1>=value && surprising>0){
                    result++;
                    surprising--;
                    continue;
                }
            }
            number=i+1;
            fout.println("Case #"+number+": "+result);
        }
        fin.close();
        fout.close();
        }catch(Exception e){
            System.out.println(e.toString());
        }
    }
}
