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.*;

class GooglersDance {
    public static void main(String[] args) 
	throws Exception {
	new GooglersDance().start();
    }

    void start() 
	throws Exception {
	InputStreamReader is =
            new InputStreamReader(
                                  new FileInputStream("Input"));
        BufferedReader br = new BufferedReader(is);
	OutputStreamWriter os =
	    new OutputStreamWriter(
				   new FileOutputStream("Output"));
	BufferedWriter bw = new BufferedWriter(os);
	String line;
	int[] inputs;
	int test = 1;
	line = br.readLine();
	while ((line = br.readLine()) != null) {
	    String[] inp = line.split(" ");
	    inputs = new int[inp.length];
	    int i = 0;
	    for (String s :  inp) {
		inputs[i++] = Integer.parseInt(s);
	    }
	    int surp = inputs[1];
	    int t = inputs[2];
	    Arrays.sort(inputs, 3, inputs.length);
	    System.out.print("Case #" + test + ": ");
	    String toWrite = "Case #" + test++ + ": ";
	    bw.write(toWrite, 0, toWrite.length());
	    for (i = 3; i < inputs.length; i++) {
		//System.out.print(inputs[i] + " ");
	    }
	    int result = 0;
	    for (i = inputs.length - 1; i > 2; i--) {
		int tot = inputs[i];
		if (tot >= (t * 3)) {
		    result++;
		    continue;
		}
		if (tot <= t) {
		    break;
		}
		tot -= t;
		int val = t - (tot / 2);
		//System.out.print(" val = " + val + " ");
		if (val == 1) {
		    result++;
		    continue;
		}
		else if (val == 2) {
		    if (--surp >= 0) {
			result ++;
			continue;
		    }
		    else {
			break;
		    }
		}
		else {
		    break;
		}
	    }
	    System.out.println(result);
	    String res = Integer.toString(result);
	    bw.write(res, 0, res.length());
	    bw.newLine();
	}
	br.close();
	bw.close();
    }
}