import java.util.*;

public class B {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int T = sc.nextInt();
        B th = new B();
        for (int i = 0; i < T; i++) {
            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();
            int[] t = new int[n];
            for (int j = 0; j < n; j++) {
                t[j] = sc.nextInt();
            }
            int c = th.getAnswer(s,p,t);
            System.out.println("Case #" + (i+1) + ": " + c);
        }
    }
    public int getAnswer(int s, int p, int[] t) {
        int A1 = p + p-1+p-1;
        int A2 = p + p-2+p-2;
        if (A1 < 0)
            A1 = 0;
        if (A2 < 0)
            A2 = 1;
        int remain = s;
        int count = 0;
        int n = t.length;
        for (int i = 0; i < n; i++) {
            if (t[i] >= A1) {
                count++;
            } else if (t[i] < A1 && t[i] >= A2) {
                if (remain > 0) {
                    remain--;
                    count++;
                }
            }
        }
        return count;
    }
}


package com.code;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.Writer;

public class ReadWriteInputFile 
{
	public BufferedReader readInputFile(String filePath)
	{
		try 
		{
			FileInputStream fstream = new FileInputStream(filePath);
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			return br;
		} 
		catch (Exception e) 
		{
			e.printStackTrace();
			return null;
		}	
	}
	
	public Writer writeOutputFile(String filePath)
	{
		try
		{
			File file = new File(filePath);
			Writer outWriter = new BufferedWriter(new FileWriter(file));
			return outWriter;
		}
		catch (Exception e) 
		{
			e.printStackTrace();
			return null;
		}
		
	}
	
	public void closeObjects(Writer outWriter)
	{
		try
		{
			outWriter.close();
		}
		catch (Exception e) 
		{
			e.printStackTrace();
		}
	}
	
}
