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 com.utility;

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

public class FileWriterUtility {

	public static File getFile(String outputFileLoc) {
		File outputFile = null;
		if (outputFileLoc != null)  {
			outputFile = new File(outputFileLoc);
			if (!outputFile.exists()) {
				try {
					outputFile.createNewFile();
				} catch (IOException e) {
					System.out.println("Error :" + e.getMessage());
				}
			}
		}
		return outputFile;
	}
	
	public static File getNewFile(String outputFileLoc) {
		File outputFile = null;
		if (outputFileLoc != null)  {
			outputFile = new File(outputFileLoc);
			if (!outputFile.exists()) {
				try {
					outputFile.delete();
					outputFile.createNewFile();
				} catch (IOException e) {
					System.out.println("Error :" + e.getMessage());
				}
			}
		}
		return outputFile;
	}

	public static BufferedWriter getBufferedWriter(File outputFile) {
		BufferedWriter bufferedWriter = null;
		if (outputFile != null) {
			FileWriter fileWriter;
			try {
				fileWriter = new FileWriter(outputFile);
				bufferedWriter = new BufferedWriter(fileWriter);
			} catch (IOException e) {
				System.out.println("Error :" + e.getMessage());
			}
		}
		return bufferedWriter;
	}
	
	public static BufferedWriter getBufferedWriter(String fileName) {
		BufferedWriter bufferedWriter = null;
		if (fileName != null) {
			File file = new File(fileName);
			bufferedWriter = getBufferedWriter(file);
		}
		return bufferedWriter;
	}

	public static void write(BufferedWriter bufferedWriter, String outputString) {
		if (bufferedWriter != null && outputString != null) {
			try {
				bufferedWriter.write(outputString);
			} catch (IOException e) {
				System.out.println("Error :" + e.getMessage());
			}
		}
	}
	
	public static void writeNewLine(BufferedWriter bufferedWriter) {
		if (bufferedWriter != null) {
			try {
				bufferedWriter.write("\n");
			} catch (IOException e) {
				System.out.println("Error :" + e.getMessage());
			}
		}
	}

	public static void closeBufferedWriter(BufferedWriter bufferedWriter) {
		if (bufferedWriter != null) {
			try {
				bufferedWriter.close();
			} catch (IOException e) {
				System.out.println("Error :" + e.getMessage());
			}
		}
	}

}
