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 codejam;
import java.io.*;
public class FileRead {
	String fileName;
	FileReader fr;
	BufferedReader br;
	FileRead(String fileName)
	{
		this.fileName=fileName;
		File f=new File("K:\\CodeJam\\Input\\"+fileName);//Create a file object
		
			FileReader fr;
			try {
				fr = new FileReader(f);
				br=new BufferedReader(fr);
			} catch (FileNotFoundException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}    	
	}
	//function to read next line.
	public String readNextLine(){
		String text=null;
		try {
			text=br.readLine();
		} catch (IOException e) {
			e.printStackTrace();
		}
		
		return text;
	}
	public int readNextInt(){
		int n = 0;
		try{
			n=Integer.parseInt(br.readLine().trim());
		}catch(Exception e){
			System.out.println("Invalid integer");
		}
		return n;
	}
	public int [] readNextIntArray(){
		int []n=null;
		try{
			String []numarray=br.readLine().split(" ");
			n=new int[numarray.length];
			for(int i=0;i<numarray.length;i++){
				n[i]=Integer.parseInt(numarray[i].trim());								
			}
		}catch(Exception e){
			System.out.println("Invalid integer");
		}
		
		return n;
	}
	public void close(){
		try {
			//fr.close();
			br.close();			
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}
	
	