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.*;

public class Dancing_With_the_Googlers {

	/**
	 * @param args
	 * @throws IOException
	 * @throws NumberFormatException
	 */
	public static void main(String[] args) throws NumberFormatException,
			IOException {
		FileInputStream inFile = new FileInputStream(
				new File("C:\\Users\\ruzbeh\\Downloads\\B-large.in"));
		DataInputStream br = new DataInputStream(inFile);
		FileOutputStream outFile = new FileOutputStream(new File("out.in"));
		DataOutputStream out = new DataOutputStream(outFile);

		int T = Integer.parseInt(br.readLine());
		

		for (int i = 0; i < T; i++) {
			int res = 0;
			String[] str = br.readLine().split(" ");
			int count = Integer.parseInt(str[1]);
			int focus_score = Integer.parseInt(str[2]);

			int min_score = focus_score - 2;
			if (min_score < 0)
				min_score = 0;
			int min_value = focus_score + (min_score) * 2;
			int surprise_value = focus_score * 3 - 3;
			for (int j = 0; j < Integer.parseInt(str[0]); j++) {
				if (Integer.parseInt(str[3 + j]) < min_value) {
					continue;
				} else if (Integer.parseInt(str[3 + j]) <= surprise_value) {
					if (count > 0) {
						count -= 1;
						res += 1;
					} else
						continue;
				} else {
					res += 1;
				}

			}
			out.writeBytes("Case #" + (i + 1) + ": " + res);
			out.writeBytes("\n");

		}

	}
}
