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);
		}
	}

}

package test;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;

public class DancingWithTheGooglers {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		
		PrintWriter out = null;
		BufferedReader in = null;
		String test;
		
		try {
			
			out = new PrintWriter(args[1]);
			in = new BufferedReader(new FileReader(args[0]), 1024);
			
			// number of test cases
			in.readLine();
			
			for (int i=1; (test=in.readLine())!=null; i++) {
				String parameters[] = test.split(" ");
				int googlers = 0;
				int surprising = 0;
				int totalSurprising = Integer.parseInt(parameters[1]);
				int minScore = Integer.parseInt(parameters[2]);
				int minTotal = minScore * 3;
				for (int j=3; j<parameters.length; j++) {
					int score = Integer.parseInt(parameters[j]);
					if (minTotal==0) {
						googlers++;
					}
					else if (score==0) {
						// do nothing
					}
					else if (score>=minTotal-2) {
						googlers++;
					}
					else if (score>=minTotal-4&&surprising<totalSurprising) {
						googlers++;
						surprising++;
					}
				}
				out.printf("Case #%d: %d%n", i, googlers);
			}
			
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		
		try {
			if (in!=null)
				in.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
		
		if (out!=null)
			out.close();
		
		
	}

}
