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 cats;

import java.io.*;
import java.util.ArrayList;
import java.util.Collections;

public class Main {
	public Main() throws Exception{
		FileReader fr = new FileReader(new File("input.txt"));
		BufferedReader in = new BufferedReader(fr);
		
		File outFile = new File("output.txt");
		outFile.createNewFile();
		FileWriter fw = new FileWriter(outFile);
		BufferedWriter out = new BufferedWriter(fw);
		
		
		
		int numTests = Integer.parseInt(in.readLine());
		for(int x = 0; x<numTests; x++){
			System.out.println("Working on case " + x + " of " + numTests);
			
			String[] split = in.readLine().split(" ");
			int numPeople, surprises, scoreToBeat;
			numPeople = Integer.parseInt(split[0]);
			surprises = Integer.parseInt(split[1]);
			scoreToBeat = Integer.parseInt(split[2]);
			
			ArrayList<Integer> totals = new ArrayList<Integer>(numPeople);
			for(int p = 0; p<numPeople; p++){
				totals.add(Integer.parseInt(split[3+p]));
			}
			Collections.sort(totals);
			Collections.reverse(totals);
			
			int count = 0;
			int surprisesLeft = surprises;
			for(int t: totals){
				if(t == 0){
					if(scoreToBeat == 0) count++;
					else break;
				}else if(t >= scoreToBeat+(scoreToBeat-1)*2){
					count++;
				}else if(t >= scoreToBeat+(scoreToBeat-2)*2 && surprisesLeft > 0){
					surprisesLeft--;
					count++;
				}else break;
			}
			out.write("Case #" + (x+1) + ": " + count + "\n");
		}
		
		
		in.close();
		out.close();
	}
	
	
	
	
	public static void main(String[] args) throws Exception{
		new Main();
	}
}
