import java.io.*;
import java.math.*;
import java.util.*;
import java.text.*;

public class b {
    public static void main(String[] args) {
        Scanner sc = new Scanner(new BufferedInputStream(System.in));

        int T = sc.nextInt();

        for (int casenumber = 1; casenumber <= T; ++casenumber) {

            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();

            int[] ts = new int[n];
            for (int i = 0; i < n; ++i)
                ts[i] = sc.nextInt();

            int thresh1 = (p == 1 ? 1 : (3 * p - 4));
            int thresh2 = (3 * p - 2);

            int count1 = 0, count2 = 0;

            for (int i = 0; i < n; ++i) {
                if (ts[i] >= thresh2) {
                    ++count2;
                    continue;
                }
                if (ts[i] >= thresh1) {
                    ++count1;
                }
            }

            if (count1 > s) {
                count1 = s;
            }

            System.out.format("Case #%d: %d%n", casenumber, count1 + count2);
        }
    }
}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;


class IOSystem {
	private String filePath;
	private List<String> inputList = new ArrayList<String>();
	private StringBuilder sb = new StringBuilder();
	private int readSize = 0;
	private int appendedSize = 0;
	public IOSystem(String filePath)
	{
		this(filePath," ");
	}
	public IOSystem(String filePath,String sep)
	{
		this.filePath = filePath;
		try {
			BufferedReader br = new BufferedReader(new FileReader(filePath+".in"));
			String line = null;
			while((line=br.readLine())!=null)
			{
				inputList.addAll(Arrays.asList(line.split(sep)));
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	public int  size(){return inputList.size();}
	public boolean  hasNext(){return readSize < size();}
	public int  nextInt(){return Integer.parseInt(inputList.get(readSize++));}
	public long nextLong(){return Long.parseLong(inputList.get(readSize++));}
	public double nextDouble(){return Double.parseDouble(inputList.get(readSize++));}
	public String nextString(){return new String(inputList.get(readSize++));}
	public <T> void appendAnswer(T answer){sb.append("Case #"+(++appendedSize)+": "+answer.toString()+"\n");};
	public void output(){
		try {
			BufferedWriter bw = new BufferedWriter(new FileWriter(filePath+".ou"));
			bw.write(sb.toString());
			bw.flush();
			System.out.println("output ->"+filePath+".ou");
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}
