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);
        }
    }
}


import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Reader;

public class Processor {

	public void process(TestCaseFactory factory, String filenameIn,
			String filenameOut) throws IOException, MalformedInputFileException {
		System.out.println("Started!");

		final Reader in = new FileReader(filenameIn);
		final BufferedReader br = new BufferedReader(in);

		final PrintWriter out = new PrintWriter(new File(filenameOut));

		final String str1 = br.readLine();
		final int ncases = Integer.parseInt(str1);

		for (int i = 0; i < ncases; i++) {
			final TestCase item = factory.getInstance(i);
			item.readInput(br);
			item.solve();
			item.writeOutput(out);
		}

		in.close();
		out.close();

		System.out.println("Finished!");
	}
}