/*
 * 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 java.util.Scanner;

public class Dancing {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int n = scan.nextInt();
		int[] array = new int[n];
		for (int i = 0; i < n; i++) {
			int k = scan.nextInt();
			int[] arrayInt = new int[k];
			int s = scan.nextInt();
			int p = scan.nextInt();
			for (int j = 0; j < k; j++)
				arrayInt[j] = scan.nextInt();
			int a = 0;
			for (int j = 0; j < k; j++) {
				int div = arrayInt[j] / 3;
				int rem = arrayInt[j] - div * 3;
				if (rem == 0) {
					if (div >= p)
						a++;
					else if (div == p - 1 && s >= 1 && div - 1 >= 0) {
						a++;
						s--;
					}
				} else if (rem == 1) {
					if (div >= p - 1)
						a++;
				} else {
					if (div >= p - 1)
						a++;
					else if (div == p - 2 && s >= 1) {
						a++;
						s--;
					}
				}
			}
			array[i] = a;
		}
		for (int i = 1; i <= n; i++)
			System.out.println("Case #" + i + ": " + array[i - 1]);
	}
}
