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 FileRW {
	
	
	public static List<String> readFile(String fileName) throws IOException{
		
		List<String> lines = new ArrayList<>();
		BufferedReader reader = new BufferedReader(new FileReader(fileName));
		String line = reader.readLine();
		
		while(line != null){
			lines.add(line.trim());
			line = reader.readLine();
		}
		reader.close();
		lines.remove(0);
		
		return lines;
	}
	
	
	public static void writeOutput(String fileName, List<String> result) throws IOException{
		
		StringBuilder out = new StringBuilder();
		String prefix = "Case #";
		for (int i = 0; i < result.size(); i++) {
			out.append(prefix + (i + 1) + ": " + result.get(i) + "\n");
		}
		BufferedWriter writer = new BufferedWriter(new FileWriter(fileName));
		writer.write(out.toString());
		writer.close();
		
	}
	
}
