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.FileWriter;
import java.io.IOException;
import java.io.Writer;
import java.util.Scanner;


public class Task2 {
	
	private int parseLine(Scanner scanner) throws IOException {
		int N = scanner.nextInt();
		int S = scanner.nextInt();
		int p = scanner.nextInt();
		int[] table = new int[31];
		for (int i = 0; i < N; i++) {
			table[scanner.nextInt()]++;
		}
		int retval = 0;
		if (p >= 2) {
			int e = table[3 * p - 4] + table[3 * p - 3];
			if (S > e) {
				retval += e;
			} else {
				retval += S;
			}
		}
		for (int i = 3 * p - 2; i <= 30; i++) {
			if (i >= 0) {
				retval += table[i];
			}
		}
		return retval;
	}
	
	public void run(Scanner scanner, Writer bw) throws IOException {
		int rowCnt = Integer.parseInt(scanner.next());
		for (int i = 0; i < rowCnt; i++) {
			bw.write("Case #" + (i + 1) + ": " + parseLine(scanner) + '\n');
		}
		bw.flush();
		bw.close();
	}
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		try {
			Scanner scanner = new Scanner(System.in);
			scanner.useDelimiter(" |\r\n|\n|\r");
			new Task2().run(new Scanner(System.in),
					new FileWriter("task2Large.out"));
		} catch (IOException e) {
			return;
		}
	}
}
