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.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class FileIO {
	public static List<String> readFile(String fileName) {
		List<String> list = new ArrayList<String>();
		try {
			FileReader fr = new FileReader(fileName);
			BufferedReader in = new BufferedReader(fr);
			
			String s; 
			while ( (s=in.readLine()) != null ) {
				list.add(s);
			}
			
			in.close();
			fr.close();
			
		} catch(IOException e) {
			e.printStackTrace();
			System.out.println("ERROR");
		}
		
		return list; 
	}
	
	public static void writeFile(String fileName, List<String> contents) {
		try {
			FileWriter fw = new FileWriter(fileName, false); // overwrite
			BufferedWriter out = new BufferedWriter(fw);

			for (String s : contents) {
				out.write(s);
				out.write("\r\n");
			}

			out.close();
			fw.close(); 

			
		} catch(IOException e) {
			e.printStackTrace();
			System.out.println("ERROR");
		}

	}
}
