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;

public class B {

	public static void main(String[] args) {
		String line;
		String filename1 = "B-small-attempt0.in";
		String filename2 = "outB.out";
		BufferedReader input;
		BufferedWriter output;
		int counter = 0;
		try {
			input = new BufferedReader(new FileReader(filename1));
			output = new BufferedWriter(new FileWriter(filename2));
			while ((line = input.readLine()) != null) {
				if (counter == 0) {
				} else {
					String[] arrayS = line.split("\\s");
					int N = Integer.parseInt(arrayS[0]);
					int surprises = Integer.parseInt(arrayS[1]);
					int passingPoint = Integer.parseInt(arrayS[2]);
					int reducedPass = passingPoint - 1;
					int success = 0;
					boolean permazas = false;
					for (int i = 3; i < arrayS.length; i++) {
						if (reducedPass - 1 < 0) {
							reducedPass = 0;
							permazas = true;
						}
						int temp = (Integer.parseInt(arrayS[i]) - passingPoint) - (reducedPass * 2);
						//						System.out.println(temp);
						if (temp < 0 && surprises > 0) {
							if (temp + 2 >= 0 && !permazas) {
								surprises--;
								success++;
							}
						}
						if (temp >= 0) {
							success++;
						}
					}
					output.write("Case #" + counter + ": " + success + "\n");
//					System.out.println("result:" + success);
				}
				counter++;
			}
			input.close();
			output.close();
		} catch (IOException e1) {
			System.exit(1);
		}
	}
}
