import java.io.*;
import java.math.*;
import java.util.*;
import java.text.*;

public class b {
    public static void main(String[] args) {
        Scanner sc = new Scanner(new BufferedInputStream(System.in));

        int T = sc.nextInt();

        for (int casenumber = 1; casenumber <= T; ++casenumber) {

            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();

            int[] ts = new int[n];
            for (int i = 0; i < n; ++i)
                ts[i] = sc.nextInt();

            int thresh1 = (p == 1 ? 1 : (3 * p - 4));
            int thresh2 = (3 * p - 2);

            int count1 = 0, count2 = 0;

            for (int i = 0; i < n; ++i) {
                if (ts[i] >= thresh2) {
                    ++count2;
                    continue;
                }
                if (ts[i] >= thresh1) {
                    ++count1;
                }
            }

            if (count1 > s) {
                count1 = s;
            }

            System.out.format("Case #%d: %d%n", casenumber, count1 + count2);
        }
    }
}

package de.hg.codejam.tasks.io;

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

public abstract class Writer {

	public static String generateOutputPath(String inputPath) {
		return inputPath.substring(0, inputPath.lastIndexOf('.') + 1) + "out";
	}

	public static void print(String[] output) {
		for (String s : output)
			System.out.println(s);
	}

	public static void write(String[] output) {
		for (int i = 0; i < output.length; i++)
			System.out.println(getCase(i + 1, output[i]));
	}

	public static void write(String[] output, String path) {
		try (BufferedWriter writer = new BufferedWriter(new FileWriter(path,
				false))) {
			for (int i = 0; i < output.length; i++) {
				writer.append(getCase(i + 1, output[i]));
				writer.newLine();
				writer.flush();
			}
		} catch (IOException e) {
			e.printStackTrace();
		}

	}

	private static String getCase(int number, String caseString) {
		return "Case #" + (number) + ": " + caseString;
	}

}
