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);
		}
	}

}

import java.io.*;
import java.util.*;


public class DancingWithTheGooglers {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		try {
			FileReader fileReader = new FileReader("B-large.in.txt");
			FileWriter fileWriter = new FileWriter("out.txt");
			BufferedReader reader = new BufferedReader(fileReader);
			BufferedWriter writer = new BufferedWriter(fileWriter);
			String inputString;
			inputString = reader.readLine();
			int cases = Integer.parseInt(inputString);
			for (int caseCount = 0; caseCount < cases; caseCount++)
			{
				inputString = reader.readLine();
				String output = "Case #" + (caseCount+1) + ": ";
				String a[] = inputString.split(" ");
				int n = Integer.parseInt(a[0]);
				int s = Integer.parseInt(a[1]);
				int p = Integer.parseInt(a[2]);
				int ans = 0;
				int score[] = new int[n];
				for (int i = 0; i < n; i++)
					score[i] = Integer.parseInt(a[i + 3]);
				Arrays.sort(score);
				for (int i = 0; i < n; i++)
				{
					if ((score[i] + 2) / 3 >= p) ans ++;
					else
					{
						if (s > 0 && score[i] >= 2 && ((score[i] + 4) / 3 >= p))
						{
							s--;
							ans++;
						}
					}
				}
				output += ans;
				output += '\n';
				writer.write(output);
			}
			reader.close();
			writer.close();
			
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}
