/*
 * 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.FileNotFoundException;
import java.io.FileReader;
import java.io.PrintWriter;
import java.util.Collections;
import java.util.Scanner;
import java.util.Vector;


public class pbB {
	public static void main(String[] args) throws FileNotFoundException {
		Scanner sc = new Scanner(new FileReader("test.in"));
		PrintWriter out= new PrintWriter("output.out");
		
		int k=sc.nextInt(), n,s,p,rep,sup,inf; Vector<Integer> scores;		
		for(int i=1;i<=k;i++){
			scores= new Vector<Integer>(); 
			n= sc.nextInt();s=sc.nextInt();p=sc.nextInt();
             for(int h= 0;h<n;h++) scores.add(sc.nextInt());
             Collections.sort(scores);
             rep=0; sup= p<1? p: 2*(p-1)+p; inf = p<2 ? p: 2*(p-2)+p;
             for(int h=scores.size()-1;h>=0;h--){
            	 if(scores.elementAt(h)>=sup) rep++;
            	 else if (scores.elementAt(h)>=inf && s>0){
            	    rep++;s--;
            	 }            	 
             }
		   out.print("Case #"+i+": "+rep);
		   if (i!=k) out.println();
		}
	out.close();
}
}
