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.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;

public class fileHandler {
	FileInputStream input;
	FileOutputStream output;
	BufferedReader buf;
	public fileHandler(String in, String out) {
		try {
			input = new FileInputStream(in);
			
			output = new FileOutputStream(out);
			buf = new BufferedReader(new InputStreamReader(input));
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}		
	}
	public String readLineFromInput(){
		String str = null;
		try {
			str = buf.readLine();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return str;
	}
	public int readCase(){
		int i = -1;
		String str = null;
		try {
			str = buf.readLine();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		i = Integer.parseInt(str);
		return i;
	}
	
	public int[] readIntegers(){
		int temp[];
		String str = null;
		try {
			str = buf.readLine();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		String split[] = str.split(" ");
		temp = new int[split.length];
		for(int i=0;i<split.length;i++){
			temp[i] = Integer.parseInt(split[i]);
		}
		return temp;
	}
	
	public void writeToOutput(String str){
		byte buff[] = str.getBytes();
		try {
			output.write(buff);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}
