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.*;
import java.io.*;

public class A
{
	private Scanner reader;
	private PrintWriter writer;
	
	public A(String inFile, String outFile)
	{
		try {
			reader = new Scanner(new File(inFile));
			writer = new PrintWriter(new File(outFile));
			init();
		}
		catch (Exception ex ) {
			ex.printStackTrace();
		}	
	}
	
	private void init() {
		int T = reader.nextInt();
		for (int i=1; i<=T; i++) {
			int N = reader.nextInt();
			int S = reader.nextInt();
			int p = reader.nextInt();
			int med = p*3;
			int vlow = med - 2;
			if (vlow < p)
				vlow = p;
			int slow = med - 4;
			if (slow < p)
				slow = p;
			int res = 0;
			for (int j=0; j<N; j++) {
				int k = reader.nextInt();
				if (k >= vlow) {
					res ++;
				}
				else if ( k >= slow && S > 0) {
					res++;
					S--;
				}
			}
			
			String out = "Case #"+i+": " + res +"\n";
			writer.write(out);
			writer.flush();
		}
		
		writer.close();
	}
	
	public static void main(String[] args) 
	{
		new A("/Users/prabhaks/work/workspace/Test/src/in.txt", "/Users/prabhaks/work/workspace/Test/src/out.txt");
	}
}