/*
 * 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.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;


public class Googlers {
	public static void main(String args[])throws IOException{
		Scanner scan = new Scanner(new File(System.getProperty("user.dir")+"/input.in"));
		FileWriter file = new FileWriter("output.out");
		int n=Integer.parseInt(scan.nextLine());
		for(int j=0;j<n;j++){
			int numGooglers = scan.nextInt();
			int totalSurprising = scan.nextInt();
			int p = scan.nextInt();
			int[] totals = new int[numGooglers];
			for(int i=0;i<numGooglers;i++){
				totals[i]=scan.nextInt();
			}
			int[] totalsMinus = new int[numGooglers];
			for(int i=0;i<numGooglers;i++){
				totalsMinus[i]=totals[i]-p;
			}
			int max =0;
			int surprising=0;
			for(int i=0;i<numGooglers;i++){
				if(totalsMinus[i]>=0&&p-(int)Math.floor(totalsMinus[i]/2)<=2){
					max++;
					if(p-(int)Math.floor(totalsMinus[i]/2)==2)
						surprising++;
				}
			}
			while(surprising>totalSurprising){
				surprising--;
				max--;
			}
			file.write("Case #"+Integer.toString(j+1)+": "+Integer.toString(max)+"\r\n");
		}
		file.close();
	}
}
