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.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Iterator;

public class GCIFileWriter {
	
	public GCIFileWriter (File file) throws IOException {
		mBufferedWriter = new BufferedWriter(new FileWriter(file));
		mFile = file;
	}
	
	public void writeResult(GCIResult res) throws IOException
	{
		Iterator<String> it = res.iterator();
		while(it.hasNext())
		{
			mBufferedWriter.write(it.next() + "\n");
			mBufferedWriter.flush();
		}
	}
	
	public void reset() throws IOException
	{
		mBufferedWriter.close();
		mBufferedWriter = new BufferedWriter(new FileWriter(mFile));
	}
	
	public void close() throws IOException
	{
		mBufferedWriter.flush();
		mBufferedWriter.close();
	}

	private BufferedWriter mBufferedWriter;
	private File           mFile;

}
