/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package codejam.common;

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Lance Chen
 */
public class CodeHelper {

    private static String FILE_ROOT = "D:/workspace/googlecodejam/meta";

    public static List<List<String>> loadInputsExcludes(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        int index = 0;
        for (String line : lines) {
            if (index == 0) {
                index++;
                continue;
            }
            if (index % 2 == 1) {
                index++;
                continue;
            }
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
            index++;
        }
        return result;
    }

    public static List<List<String>> loadInputs(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        for (String line : lines) {
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
        }
        return result;
    }

    public static List<String> loadInputLines(String fileName) {
        return FileUtil.readLines(FILE_ROOT + fileName);
    }

    public static void writeOutputs(String fileName, List<String> lines) {
        FileUtil.writeLines(FILE_ROOT + fileName, lines);
    }
}

import static java.util.Arrays.sort;

import java.io.*;
import java.util.*;

public class ProblemB {
	public static void main(String[] args) throws Throwable {
		Scanner in = new Scanner(new File("b.in"));
		PrintWriter out = new PrintWriter("b.out");
		int testCount = Integer.parseInt(in.nextLine().trim());
		for (int i = 0; i < testCount; i++) {
			out.print("Case #" + (i + 1) + ": ");
			solve(in, out);
		}
		out.close();
	}

	static void solve(Scanner in, PrintWriter out) {
		int n = in.nextInt();
		int m = in.nextInt();
		int p = in.nextInt();
		int[] a = new int[n];
		for (int i = 0; i < n; i++) {
			a[i] = in.nextInt();
		}
		sort(a);
		int ans = 0;
		for (int i = n - 1; i >= 0; i--) {
			int z = (a[i] + 2) / 3;
			if (z >= p) {
				++ans;
				continue;
			}
			if (p >= 2 && z == p - 1 && a[i] % 3 != 1 && m > 0) {
				--m;
				++ans;
			} else {
				break;
			}
		}
		out.println(ans);
	}
}
