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.File;
import java.io.IOException;
import java.util.Scanner;


public class QuestionB {

	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {
		File fileread = new File("B-large.in.txt");
		File filewrite = new File(QuestionB.class.getName() + "output4Big.txt");
		GCIFileReader fr = new GCIFileReader(fileread);
		GCIFileWriter fw = new GCIFileWriter(filewrite);
		GCIResult res = new GCIResult();
		String s = fr.getLine();
		int n = Integer.parseInt(s);
		for (int i=0; i < n ; i++)
		{
			String l = fr.getLine();
			Scanner sc = new Scanner(l);
			int con = sc.nextInt();
			int spe = sc.nextInt();
			int p   = sc.nextInt();
			int countOk = 0;
			int countOKSpe = 0;
			for (int j = 0 ; j < con ; j++)
			{
				int acon = sc.nextInt();
				if (acon >= p) {
					if ((acon / 3.0) >= (p))
					{
						countOk++;
						continue;
					}
					if (Double.compare((acon / 3.0),(Math.abs(p - 0.7))) >= 0)
					{
						countOk++;
						continue;
					}
					if (Double.compare((acon / 3.0),(Math.abs(p - 2 + 0.5 ))) >=0 )
					{
						countOKSpe++;
						continue;
					}
				}
			}	
			int finalOkSpe = countOKSpe > spe ? spe : countOKSpe;
			int tres = countOk + finalOkSpe;
			res.addCase(String.valueOf(tres));
		}
		fw.writeResult(res);
	}

}
