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;
    }
}


import java.io.*;
import java.util.*;

public class B implements Runnable
{	
	//private String IFILE = "input.txt";
	//private String IFILE = "B-small-attempt0.in";
	private String IFILE = "B-large.in";
	
	private Scanner in;
	private PrintWriter out;
	
	public void Run() throws IOException
	{
		in = new Scanner(new File(IFILE));
		out = new PrintWriter("output.txt");
		
		int ntest = in.nextInt();
		for(int test = 1; test <= ntest; test++)
		{
			out.print("Case #" + test + ": ");
			int n = in.nextInt();
			int m = in.nextInt();
			int p = in.nextInt();
			int[] mas = new int[n];
			for(int i = 0; i < n; i++)
				mas[i] = in.nextInt();

			int[] max1 = new int[31];
			for(int i = 1; i <= 10; i++)
				max1[Math.max(0, Math.min(30, 3 * i - 2))] = i; 
			int[] max2 = new int[31];
			for(int i = 1; i <= 10; i++)
				max2[Math.max(1, Math.min(30, 3 * i - 4))] = i;
			for(int i = 1; i <= 30; i++)
				max1[i] = Math.max(max1[i], max1[i - 1]);
			for(int i = 1; i <= 30; i++)
				max2[i] = Math.max(max2[i], max2[i - 1]);
			
			int n1 = 0;
			int n2 = 0;
			for(int i = 0; i < n; i++)
			{
				if (max1[mas[i]] >= p)
					n1++;
				else if (max2[mas[i]] >= p)
					n2++;
			}
			
			out.println(n1 + Math.min(n2, m));
		}
		
		in.close();
		out.close();
	}
	
	public void run()
	{
		try		
		{
			Run();
		}
		catch(IOException e)
		{
			
		}
	}

	public static void main(String[] args) throws IOException
	{
		new B().Run();
		//new Thread(new XXX()).start();
	}

}
