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 base;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

import assignments.AssignmentB;


public class Solver {
	public static void main(String... args) throws IOException {
		List<Assignment> assignments = readAssignments("test");
		PrintWriter pw = new PrintWriter(new FileWriter("output.txt"));
		int i = 0;
		for (Assignment assignment : assignments) {
			String answer = "Case #" + ++i + ": " + assignment.solve();
			pw.println(answer);
			System.out.println(answer);
		}
		pw.flush();
		pw.close();

	}

	private static List<Assignment> readAssignments(String filename) throws FileNotFoundException {
		Scanner scanner = new Scanner(new File(filename));
		int amountOfAssignments = scanner.nextInt();
		scanner.nextLine();
		List<Assignment> result = new ArrayList<Assignment>();
		for (int i = 0; i < amountOfAssignments; i++) {
			result.add(AssignmentB.createFromScanner(scanner));
		}
		scanner.close();
		return result;
	}
}
