/**
 * Created by IntelliJ IDEA.
 * User: Administrator
 * Date: 3/3/12
 * Time: 11:00 AM
 * To change this template use File | Settings | File Templates.
 */

import SRMLib.MathLibrary;
import SRMLib.TestSRMLib;
import com.sun.org.apache.bcel.internal.generic.F2D;

import java.io.*;
import java.util.*;
import java.util.zip.Inflater;

public class SRM {
    public static void main(String[] args) throws IOException {
        //TestSRMLib.run();
        codeJam1.main();

        return;
    }
}
class codeJam1 {
    public static void main() throws IOException {
        String inputPath = "E:\\input.txt";
        String outputPath = "E:\\output.txt";
        BufferedReader input = new BufferedReader(new FileReader(inputPath));
        BufferedWriter output = new BufferedWriter(new FileWriter(outputPath));

        String line;
        line = input.readLine();
        int T = Integer.parseInt(line);
        for (int i = 1; i <= T; ++i) {
            line = input.readLine();
            String[] words = line.split(" ");
            int N = Integer.parseInt(words[0]);
            int S = Integer.parseInt(words[1]);
            int p = Integer.parseInt(words[2]);
            int n = 0;
            int res = 0;

            for (int j = 3; j < words.length; ++j) {
                if (p == 0) {
                    res++;
                    continue;
                }

                int t = Integer.parseInt(words[j]);
                if (p == 1) {
                    if (t > 0)
                        res++;
                    continue;
                }
                if (t >= 3 * p - 2)
                    res++;
                else if (t >= 3 * p - 4)
                    n++;
            }

            res += Math.min(n, S);
            output.write("Case #" + i + ": " + res);
            output.newLine();
        }

        input.close();
        output.close();
    }
}

import java.io.IOException;
import java.util.StringTokenizer;

public class Judging {
	private int cases;

	public Judging() throws IOException {
		cases = Integer.valueOf(getLine());

		run();
	}

	public String getLine() throws IOException {
		String s = "";
		char c;
		while ((c = (char) System.in.read()) != '\n') {
			s += c;
		}
		return s;
	}

	public void run() throws IOException {
		Case curr;
		for (int i = 0; i < cases; i++) {
			curr = new Case(getLine());
			System.out.println("Case #" + (i+1) + ": " + curr.calculateNumBestResult());
		}
	}
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		try {
			new Judging();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}

class Case {
	private int numberOfGooglers;
	private int numberOfSuprisingScores;
	private int bestResult;
	private int[] scores;

	public Case(String line) {
		StringTokenizer tokens = new StringTokenizer(line);

		numberOfGooglers = Integer.valueOf(tokens.nextToken());
		numberOfSuprisingScores = Integer.valueOf(tokens.nextToken());
		bestResult = Integer.valueOf(tokens.nextToken());
		scores = new int[numberOfGooglers];

		for (int i = 0; i < numberOfGooglers; i++) {
			scores[i] = Integer.valueOf(tokens.nextToken());
		}
	}

	public int calculateNumBestResult() {
		int counter = 0;
		if (bestResult >= 2) {
			for (int i = 0; i < scores.length; i++) {
				if (scores[i] - (3*bestResult) >= -2)
					counter++;
				else if (scores[i] - (3*bestResult) >= -4) {
					if (numberOfSuprisingScores > 0) {
						counter++;
						numberOfSuprisingScores--;
					}
				}
			}
		} else if (bestResult == 1) {
			for (int i = 0; i < scores.length; i++) {
				if (scores[i] > 0)
					counter++;
			}
		} else if (bestResult == 0) {
			counter = scores.length;
		} else {
			System.err.println("Error!");
		}
		return counter;
	}

}