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;
import java.io.*;
import java.util.ArrayList;
public class Main2
{
	public static void main(String[] args) throws IOException
	{
		String line = " ";
		String line2 = " ";
		String line3 = " ";
		FileReader reader = new FileReader("B-large.in");
		Scanner in = new Scanner(reader);
		ArrayList<String> list = new ArrayList<String>();
		ArrayList<String> list2 = new ArrayList<String>();
		int number = 0;
		int numb = 0;
		int index = 0;
		
		int c;
		int N;
		int nprob;
		int hnum;
		int calc;
		boolean suc;
		int p;
		int[] num = new int[103];
		
		int count = in.nextInt();
		in.nextLine();
		
		for(int i = 0; i < count; i++)
		{
			line = in.nextLine();
			list.add(line);
		}
			
		while(count > 0)
		{
			p = 0;
			line2 = list.get(numb);
			number = 0;
			
			while(line2.length() > 0)
			{
				index = line2.indexOf(' ');
				if(index > 0)
				{
					line = line2.substring(0,index);
					num[number] = Integer.parseInt(line);
					line2 = line2.substring(index);
					line2 = line2.trim();
				}
				else if(index == -1)
				{
					num[number] = Integer.parseInt(line2);
					line2 = "";
				}
				number++;
			}
			
			
			
			N = num[0];
			nprob = num[1];
			hnum = num[2];
			suc = false;
			
			for(int j = 0; j < N; j++)
			{
				c = 3;
				calc = num[j+3];
				while(c > 0)
				{
					calc -= hnum;
					c--;
				}
			
				if(calc >= 0)
					suc = true;
				else if(calc == -1)
					suc = true;
				else if(calc == -2)
					suc = true;
				else if(nprob > 0 && calc == -3 && num[j+3] > 0)
				{
					suc = true;
					nprob--;
				}
				else if(nprob > 0 && calc == -4 && num[j+3] > 0)
				{
					suc = true;
					nprob--;
				}
				else
					suc = false;
					
				if(suc)
					p++;	
			}
			
										
			line3 = "Case #" + (numb+1) + ": " + p;
			list2.add(line3);
			count--;
			numb++;
			
		}
		
		for(String a : list2)
			System.out.println(a);
		
						
	}
}