import java.util.*;

public class B {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int T = sc.nextInt();
        B th = new B();
        for (int i = 0; i < T; i++) {
            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();
            int[] t = new int[n];
            for (int j = 0; j < n; j++) {
                t[j] = sc.nextInt();
            }
            int c = th.getAnswer(s,p,t);
            System.out.println("Case #" + (i+1) + ": " + c);
        }
    }
    public int getAnswer(int s, int p, int[] t) {
        int A1 = p + p-1+p-1;
        int A2 = p + p-2+p-2;
        if (A1 < 0)
            A1 = 0;
        if (A2 < 0)
            A2 = 1;
        int remain = s;
        int count = 0;
        int n = t.length;
        for (int i = 0; i < n; i++) {
            if (t[i] >= A1) {
                count++;
            } else if (t[i] < A1 && t[i] >= A2) {
                if (remain > 0) {
                    remain--;
                    count++;
                }
            }
        }
        return count;
    }
}


package Solutions;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;

public class problemB {
	public static void main(String[] args) throws IOException {

		BufferedReader in = new BufferedReader(new FileReader(new File("smallB.in")));
		BufferedWriter out = new BufferedWriter(new FileWriter(new File("outputB.txt")));

		int numCases = Integer.parseInt(in.readLine());
		for (int i = 0; i < numCases; i++) {
			String google = in.readLine();
			String output = "Case #" + (i + 1) + ": ";

			String[] googlers = google.split(" ");
			int numGooglers = Integer.valueOf(googlers[0]);
			int numSurprising = Integer.valueOf(googlers[1]);
			int best = Integer.valueOf(googlers[2]);

			ArrayList<Integer> scores = new ArrayList<Integer>(numGooglers);
			for (int j = 3; j < googlers.length; j++) {
				scores.add(Integer.valueOf(googlers[j]));
			}
			Collections.sort(scores);
			int count_a = 0;
			int count_b = numSurprising;
			for (int j = scores.size() - 1; j >= 0; j--) {
				int thisscore = scores.get(j);
				if (thisscore>=best && thisscore >= 3 * best - 2) {
					count_a++;
				} else if (thisscore>=best && thisscore >= 3 * best - 4 && count_b > 0) {
					count_a++;
					count_b--;
				} else {
					break;
				}
			}

			output += count_a + "\n";
			out.write(output);

		}
		out.close();
	}
}
