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.FileOutputStream;
import java.io.FileReader;

@SuppressWarnings("CallToThreadDumpStack")
public class Utils
{
    private static FileOutputStream outStream;
    private static BufferedReader reader;
    private static boolean debug = false;

    public static void openOutFile(String str, boolean debug)
    {
        Utils.debug = debug;
        try { outStream = new FileOutputStream(str, false); }
	catch (Exception e) { e.printStackTrace(); }
    }

    public static void openInFile(String str)
    {
        try { reader = new BufferedReader(new FileReader(str)); }
	catch (Exception e) { e.printStackTrace(); }
    }

    public static void closeOutFile()
    {
        try { outStream.close(); }
	catch (Exception e) { e.printStackTrace(); }
    }

    public static void closeInFile()
    {
        try { outStream.close(); }
	catch (Exception e) { e.printStackTrace(); }
    }

    public static String readFromFile()
    {
        try { return reader.readLine(); }
        catch (Exception e) { e.printStackTrace(); }
        return null; // shouldn't get here
    }
    public static void writeToFile(String str)
    {
        if (debug) System.out.println(str);
        try
        {
            for(int k=0; k<str.length(); k++)
            {
                outStream.write(str.charAt(k));
            }
            outStream.write(13);
            outStream.write(10);
        }
	catch (Exception e)
            { e.printStackTrace(); }
    }

}
