import java.util.*;

public class B {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int T = sc.nextInt();
        B th = new B();
        for (int i = 0; i < T; i++) {
            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();
            int[] t = new int[n];
            for (int j = 0; j < n; j++) {
                t[j] = sc.nextInt();
            }
            int c = th.getAnswer(s,p,t);
            System.out.println("Case #" + (i+1) + ": " + c);
        }
    }
    public int getAnswer(int s, int p, int[] t) {
        int A1 = p + p-1+p-1;
        int A2 = p + p-2+p-2;
        if (A1 < 0)
            A1 = 0;
        if (A2 < 0)
            A2 = 1;
        int remain = s;
        int count = 0;
        int n = t.length;
        for (int i = 0; i < n; i++) {
            if (t[i] >= A1) {
                count++;
            } else if (t[i] < A1 && t[i] >= A2) {
                if (remain > 0) {
                    remain--;
                    count++;
                }
            }
        }
        return count;
    }
}


import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;


public class DancingWiththeGooglers 
{
	
	private static final String INPUT_FILE = "input.txt";
	private static final String OUTPUT_FILE = "output.txt";
	
	//but not surpising
	public boolean couldGetBest(int score, int best)
	{
		int average = best * 3;
		
		if (score >= average - 2) return true;
		
		return false;
	}
	
	public boolean couldGetBestIfSurprising(int score, int best)
	{
		int average = best * 3;
		
		if (score >= average - 4) return true;
		
		return false;
	}
	
	public int findMaxBest(int minBest, int[] dancersScore, int surprisingCount)
	{
		int result = 0 ;
		for (int i = 0; i < dancersScore.length; i++)
		{
			if (dancersScore[i] < minBest) continue; 
			if (couldGetBest(dancersScore[i], minBest))
			{ 
				result ++;  
				continue;
			}
			if (couldGetBestIfSurprising(dancersScore[i], minBest))
			{
				if (surprisingCount != 0)
				{	
					surprisingCount--;
					result++;
					continue;
				}
			}
					
		}
		return result;
	}
	
	public static void main(String[] args) throws NumberFormatException, IOException
	{
		DancingWiththeGooglers danGooglers = new DancingWiththeGooglers();
		Parser parser = new Parser();
		String[] input = parser.readInput(INPUT_FILE);
		String[] result = new String[input.length];
		for (int i = 0; i < input.length; i++)
		{
			String[] data = input[i].split(" ");
			int dancersCount = Integer.parseInt(data[0]);
			int surprisingCount = Integer.parseInt(data[1]);
			int minBest = Integer.parseInt(data[2]);
			int[] dancersScores = new int[dancersCount];
			for (int j = 0; j < dancersCount; j++)
			{
				dancersScores[j] = Integer.parseInt(data[3 + j]);
			}
			result[i] = Integer.toString(danGooglers.findMaxBest(minBest, dancersScores, surprisingCount));
		}
		parser.writeOutput(result, OUTPUT_FILE);
	}
}

class Parser
{
	public String[] readInput(String fileName) throws NumberFormatException, IOException
	{
		BufferedReader reader = new BufferedReader(new FileReader(fileName));
		int numberOfCases = Integer.parseInt(reader.readLine());
		String[] input = new String[numberOfCases];
		for (int i = 0; i < numberOfCases; i++)
		{
			input[i] = reader.readLine();
		}
		reader.close();
		return input;
	}
	
	public void writeOutput(String[] result, String file) throws IOException
	{
		FileWriter writer = new FileWriter(file);
		BufferedWriter bufferedWriter = new BufferedWriter(writer);
		for (int i = 0; i < result.length; i++)
		{
			bufferedWriter.write("Case #" + (i+1) +": " + result[i]);
			bufferedWriter.newLine();
		}
		bufferedWriter.flush();
		bufferedWriter.close();
	}
}

