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.*;

public class CodeJamB {
	public static void main (String[] args) throws IOException {
		int i, j, k;
		long startTime = System.currentTimeMillis();
		File inFile  = new File("B-large.in");  // File to read from
		File outFile = new File("B-large.out");
		
		BufferedReader reader = new BufferedReader(new FileReader(inFile));
		BufferedWriter writer = new BufferedWriter(new FileWriter(outFile));
	
			
		String line = null;
		line = reader.readLine();
		int cases = Integer.parseInt(line);
		int counter = 1;
		
        while ((line=reader.readLine()) != null) {
        	int googlers = 0;
        	int N, S, p;
        	int sur = 0;
        	String[] node = line.split(" ");
        	N = Integer.parseInt(node[0]);
        	S = Integer.parseInt(node[1]);
        	p = Integer.parseInt(node[2]);
        	if(p <= 1) {
        		for(i = 3; i < node.length; i++) {   
        			if(Integer.parseInt(node[i]) >= p)
        				googlers++;
        		}
        	} else {
	        	for(i = 3; i < node.length; i++) {        		
	        		if(Integer.parseInt(node[i]) >= (3*p-2)) {
	        			googlers++;
	        		} else if (Integer.parseInt(node[i]) >= (3*p-4)) {
	        			sur++;
	        		}
	        	}       
        	}
        	googlers += Math.min(S, sur);
        	writer.write("Case #"+counter+": "+googlers);        	
        	writer.newLine();
        	counter++;        		
        }
        
        writer.close();       
        long endTime   = System.currentTimeMillis();
        long totalTime = endTime - startTime;
        System.out.println("Total Time: " + totalTime);		
	}
 }
