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.File;
import java.io.FileReader;
import java.io.IOException;


public class FileIn {

	private StringBuilder sb = new StringBuilder("");
	
	/**
	 * ã³ã³ã¹ãã©ã¯ã¿.
	 * @param filename èª­ã¿è¾¼ããã¡ã¤ã«å
	 */

	public FileIn(String filename) {
		File f = new File(filename);
		FileReader fr = null;
		try {
			fr = new FileReader(f);
			int c;
			while ((c = fr.read()) != -1) {
				this.sb.append((char)c);
			}
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				fr.close();
			} catch (IOException e) {
				e.printStackTrace();
			}

		}

	}
	
	/**
	 * ãã¡ã¤ã«ã®æå­åãè¿ã.
	 * @return
	 */
	public String getString() {
		return this.sb.toString();
	}
}