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.DataInputStream;
import java.io.FileInputStream;
import java.io.InputStreamReader;


public class Driver {


	public static void main(String[] args) {
		DeTerminator testBed = new DeTerminator();
		try{
			FileInputStream filestream = new FileInputStream("test.txt");
			DataInputStream input = new DataInputStream(filestream);
			BufferedReader buffer = new BufferedReader(new InputStreamReader(input));
			String currentLine;
			int counter = 1;
			int j = Integer.parseInt(buffer.readLine());
			for(int i = 0; i < j; i++){
				currentLine = buffer.readLine();
				String delimiter = " ";
				String[] temp;
				temp = currentLine.split(delimiter);
				System.out.println("Case #" + counter + ": " + testBed.determine(temp));
				counter++;
			}
			input.close();

		}
		catch (Exception e){ System.err.println("Error: " + e.getMessage()); }
	}

}
