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.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Scanner;

public class Solution {
	HashMap<Character, Character> map = new HashMap<>();

	Solution() throws Exception {
		setupIO("B-large.in");
	}

	String solve() throws Exception {
		int n = in.nextInt();
		int surprising = in.nextInt();
		int p = in.nextInt();
		int[] scores = new int[n];
		for (int i = 0; i < n; i ++)
			scores[i] = in.nextInt();
		in.nextLine();
		
		int numberOfP = 0;
		for (int score : scores) {
			if (noSurprise(score) >= p)
				numberOfP ++;
			else if (surprising > 0 && surprise(score) >= p) {
				surprising --;
				numberOfP ++;
			}
		}
		
		return "" + numberOfP;
	}

	private int surprise(int score) {
		if (score < 2 || score > 28)
			return 0;		
		if (score % 3 == 0)
			return score / 3 + 1;
		if (score % 3 == 1)
			return 0;
		return score / 3  + 2;
	}

	private int noSurprise(int score) {
		if (score % 3 > 0)
			return score / 3 + 1;
		return score / 3;
	}

	void solveAll() throws Exception {
		int cases = in.nextInt();
		in.nextLine();
		for (int i = 1; i <= cases; i++) {
			String solution = "Case #" + i + ": " + solve();
			System.out.println(solution);
			out.println(solution);
		}
		out.flush();
	}

	// -----------------------------------------------------------------------

	static Scanner in;
	static PrintWriter out;

	static void setupIO() {
		in = new Scanner(System.in);
		out = new PrintWriter(System.out);
	}

	static void setupIO(String filename) throws Exception {
		in = new Scanner(new FileReader(filename));
		out = new PrintWriter(new FileWriter(filename + ".out"));
	}

	public static void main(String[] args) throws Exception {
		new Solution().solveAll();
	}
}
