/*
 * 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.util.Scanner;


public class dancingwiththegooglers {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner in = new Scanner(System.in);
		int numOfLines = Integer.parseInt(in.nextLine());
		for(int i = 0;i<numOfLines;i++)
		{
			String resultline = "Case #"+(i+1)+": "+readLine(in.nextLine());
			System.out.println(resultline);
		}
	}
	
	private static int getResult(int S, int p, int[]points)
	{
		int result = 0;
		for(int i = 0;i<points.length;i++)
		{
			if(points[i] >=(3*p-2))
				result++;
			else if(points[i] >= 3*p - 4 && S > 0)
			{
				if(points[i]>0)
				{
					result++;
					S--;
				}
			}
		}
		return result;
	}
	
	private static String readLine(String line)
	{
		String[] inputs = line.split(" ");
		int S = Integer.parseInt(inputs[1]);
		int p = Integer.parseInt(inputs[2]);
		int[] points = new int[inputs.length-3];
		for(int i = 0;i<points.length;i++)
			points[i] = Integer.parseInt(inputs[i+3]);
		return String.valueOf(getResult(S, p, points));
	}
}