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 common;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.LinkedList;
import java.util.Queue;

public class FileTranslatorBasis {

	private int numOfCase;
	private File file;
	Queue<String> dataList = new LinkedList<String>();

	
	
	public static FileTranslatorBasis getInstance(String fname){
		if(fname ==null){
			throw new IllegalArgumentException();
		}
		return new FileTranslatorBasis(new File(fname));
	}
	
	private FileTranslatorBasis(File file) {
		this.file = file;
		read();
	}
	
	private void read(){
		try{
			FileReader fr = new FileReader(this.file);
			BufferedReader br = new BufferedReader(fr);
		
			String line;
			while((line = br.readLine())!=null){
				dataList.add(line);
			}
		}catch(IOException e){
			e.printStackTrace();
		}
		numOfCase = Integer.parseInt(dataList.poll());
	}

	public int getNumOfCase(){
		return numOfCase;
	}
	
	public int getIntData(){
		return Integer.parseInt(dataList.poll());
	}
	
	public int[] getIntDataArray(){
		String[] tmp = getStrDataArray();
		int[] data = new int[tmp.length];
		int i = 0;
		for(String t: tmp){
			data[i++] = Integer.parseInt(t);
		}
		return data;
	}
	
	
	public long getLongData(){
		return Long.parseLong(dataList.poll());
	}
	
	public long[] getLongDataArray(){
		String[] tmp = getStrDataArray();
		long[] data = new long[tmp.length];
		int i = 0;
		for(String t: tmp){
			data[i++] = Long.parseLong(t);
		}
		return data;
	}
	public String getStrData(){
		return dataList.poll();
	}
	
	public String[] getStrDataArray(){
		return dataList.poll().split(" ");
	}

	
	
}
