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 com.google.jam.eaque.stub;

import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;

import com.google.jam.eaque.qualif.b.Small;

public class Main {

	/**
	 * @param args
	 */
	public static void main(String[] args) {

		if (args.length != 2) {
			System.out.println("args length : " + args.length);
			System.exit(0);
		}

		Stub body = new Small();
		body.setOutputFileName(args[1]);

		try {
			InputFileManager ifm = new InputFileManager(args[0]);
			BufferedWriter bw = new BufferedWriter(new FileWriter(
					body.getOutputFileName()));

			long nbTestCases = ifm.readLong();

			for (long i = 0; i < nbTestCases; i++) {
				bw.write("Case #" + (i + 1) + ":" + body.runTestCase(ifm));
				bw.newLine();
			}

			ifm.close();
			bw.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}
