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.util.ArrayList;


public class App {

	/**
	 * @param args
	 */
	public static void main(String[] args) 
	{
		Reader reader = new Reader();
		ArrayList<String> input = reader.LinesReader();
		
		ArrayList<String> output = new ArrayList();
		for (String i : input)
		{
			output.add(handleCase(i));
		}
		reader.output(output);
	}

	private static String handleCase(String s) 
	{
		String output = "";
		
		String[] split = s.split(" ");
		ArrayList<Integer> listInt = new ArrayList<Integer>();
		
		for (String string : split)
		{
			listInt.add(Integer.valueOf(string));
		}
		
		int nbGooglers = listInt.get(0);
		int nbSurprising = listInt.get(1);
		int bestResultNeeded = listInt.get(2);
		
		int nbAchieved = 0;
		for (int i = 0; i < nbGooglers; i++)
		{
			double score = listInt.get(3 + i);
			
			if (Math.ceil(score / 3) >= bestResultNeeded)
			{
				nbAchieved++;
			}
			else
			if (nbSurprising > 0)
			{
				// prevention cas negatif
				double maxAdded = 4;
				if (score < maxAdded)
					maxAdded = score;
				if (((score + maxAdded) / 3) >= bestResultNeeded)
				{
					
					nbAchieved++;
					nbSurprising--;
				}
			}
		}
		
		return "" + nbAchieved;
	}

}
