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.Scanner;


/**
 *
 * @author Daniel Sheng
 */
public class Dancing
{
    private final static int NUM_JUDGES = 3;

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args)
    {
        Scanner in = new Scanner(System.in);
        int lns = Integer.parseInt(in.nextLine());
        
        for(int ln = 0; ln < lns; ln++)
        {
            String[] tokens = in.nextLine().split("\\s+");
            
            int numDancers = Integer.parseInt(tokens[0]),
                numSurprising = Integer.parseInt(tokens[1]),
                targetBestScore = Integer.parseInt(tokens[2]);
            
            int result = 0;
            
            for(int i = 0; i < numDancers; i++)
            {
                int score = Integer.parseInt(tokens[i + 3]);
                if(score >= targetBestScore * NUM_JUDGES - 2)
                    result++;
                else if(score >= targetBestScore * NUM_JUDGES - 4 && numSurprising > 0 && targetBestScore - 2 >= 0)
                {
                    result++;
                    numSurprising--;
                }
            }
            
            System.out.println("Case #" + (ln + 1) + ": " + result);
        }
    }
}
