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 Q2;

import java.io.BufferedReader;
import java.io.IOException;

abstract public class Solver {
	protected BufferedReader input;
	protected final String nl = System.getProperty("line.separator");

	abstract public String solve() throws Exception;

	protected String readLine(){
		try {
			return input.readLine();
		} catch (IOException e) {
			e.printStackTrace();
			System.exit(-1);
		}
		return null;
	}

	protected Long[] splitLineL(String line){
		return splitLineL(line, " ");
	}

	protected Long[] splitLineL(String line, String delim){
		String[] split = line.split(delim);
		Long[] $ = new Long[split.length];
		for(int i=0;i<split.length;i++){
			$[i] = Long.parseLong(split[i]);
		}
		return $;
	}

	protected Integer[] splitLine(String line){
		return splitLine(line, " ");
	}

	protected Integer[] splitLine(String line, String delim){
		String[] split = line.split(delim);
		Integer[] $ = new Integer[split.length];
		for(int i=0;i<split.length;i++){
			$[i] = Integer.parseInt(split[i]);
		}
		return $;
	}

	public void setInput(BufferedReader input) {
		this.input = input;
	}

	<T> void printArr(T[] arr){
		for(int i=0;i<arr.length;i++){
			System.out.println(arr[i]);
		}
	}
	<T> void printArr(T[][] arr){
		for(int i=0;i<arr.length;i++){
			for(int j=0;j<arr[i].length;j++){
				System.out.print(arr[i][j]+" ");
			}
			System.out.println();
		}
	}
}
