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.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintStream;
import java.util.HashMap;
import java.util.Scanner;


public class P2 {
	static Scanner sc;
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		sc = new Scanner(System.in);
		
		try {
			sc = new Scanner(new FileInputStream("B.in"));
			System.setOut(new PrintStream(new FileOutputStream("B.out.txt")));
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}
		
		new P2().run();
		
		System.out.flush();
	}
	
	
	public void run(){
		int T = sc.nextInt();
		
		for(int t=1; t<=T;t++){
			
			int R = 0;
			
			int N = sc.nextInt();
			int S = sc.nextInt();
			int p = sc.nextInt();
			
			
			for(int n = 0; n < N ; n++){
				int i = sc.nextInt();
				int r =  i - p*2;
				if(r>=0)
					if(r>=p-2){
						R++;
					}else if(r>=p-4 && S>0){
						S--;
						R++;
					}
			}
			
			System.out.printf("Case #%d: %d%n", t, R);
			
		}

	}

}
