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.IOException;
import java.util.StringTokenizer;

public class Judging {
	private int cases;

	public Judging() throws IOException {
		cases = Integer.valueOf(getLine());

		run();
	}

	public String getLine() throws IOException {
		String s = "";
		char c;
		while ((c = (char) System.in.read()) != '\n') {
			s += c;
		}
		return s;
	}

	public void run() throws IOException {
		Case curr;
		for (int i = 0; i < cases; i++) {
			curr = new Case(getLine());
			System.out.println("Case #" + (i+1) + ": " + curr.calculateNumBestResult());
		}
	}
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		try {
			new Judging();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}

class Case {
	private int numberOfGooglers;
	private int numberOfSuprisingScores;
	private int bestResult;
	private int[] scores;

	public Case(String line) {
		StringTokenizer tokens = new StringTokenizer(line);

		numberOfGooglers = Integer.valueOf(tokens.nextToken());
		numberOfSuprisingScores = Integer.valueOf(tokens.nextToken());
		bestResult = Integer.valueOf(tokens.nextToken());
		scores = new int[numberOfGooglers];

		for (int i = 0; i < numberOfGooglers; i++) {
			scores[i] = Integer.valueOf(tokens.nextToken());
		}
	}

	public int calculateNumBestResult() {
		int counter = 0;
		if (bestResult >= 2) {
			for (int i = 0; i < scores.length; i++) {
				if (scores[i] - (3*bestResult) >= -2)
					counter++;
				else if (scores[i] - (3*bestResult) >= -4) {
					if (numberOfSuprisingScores > 0) {
						counter++;
						numberOfSuprisingScores--;
					}
				}
			}
		} else if (bestResult == 1) {
			for (int i = 0; i < scores.length; i++) {
				if (scores[i] > 0)
					counter++;
			}
		} else if (bestResult == 0) {
			counter = scores.length;
		} else {
			System.err.println("Error!");
		}
		return counter;
	}

}