/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package codejam.common;

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Lance Chen
 */
public class CodeHelper {

    private static String FILE_ROOT = "D:/workspace/googlecodejam/meta";

    public static List<List<String>> loadInputsExcludes(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        int index = 0;
        for (String line : lines) {
            if (index == 0) {
                index++;
                continue;
            }
            if (index % 2 == 1) {
                index++;
                continue;
            }
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
            index++;
        }
        return result;
    }

    public static List<List<String>> loadInputs(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        for (String line : lines) {
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
        }
        return result;
    }

    public static List<String> loadInputLines(String fileName) {
        return FileUtil.readLines(FILE_ROOT + fileName);
    }

    public static void writeOutputs(String fileName, List<String> lines) {
        FileUtil.writeLines(FILE_ROOT + fileName, lines);
    }
}

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;

public class Dancing {

	private static BufferedReader bufferedReader = new BufferedReader(
			new InputStreamReader(System.in));

	public static void main(String[] args) throws IOException {
		String line = bufferedReader.readLine();
		int cases = Integer.parseInt(line);

		for (int i = 1; i <= cases; i++) {
			line = bufferedReader.readLine();
			String[] split = line.split(" ");

			int googlers = Integer.parseInt(split[0]);
			int surprises = Integer.parseInt(split[1]);
			int p = Integer.parseInt(split[2]);

			int[] totals = new int[googlers];
			for (int j = 0; j < googlers; j++) {
				totals[j] = Integer.parseInt(split[3 + j]);
			}

			Arrays.sort(totals);

			int answer = 0;
			int usedSurprises = 0;

			for (int j = 0; j < googlers; j++) {
				if (p == 0) {
					answer++;
				} else if (totals[j] >= p + 2 * (p - 1) && p >= 1) {
					answer++;
				} else if (usedSurprises < surprises) {
					if (totals[j] >= p + 2 * (p - 2) && p >= 2) {
						answer++;
						usedSurprises++;
					}
				}
			}

			System.out.println("Case #" + i + ": " + answer);
		}
	}

}
