/*
 * 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.math.BigDecimal;
import java.math.RoundingMode;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class DancingWithGooglers {

    public static void main(String[] args) {
        Scanner problem = new Scanner(System.in);
        int T = problem.nextInt();
        for (int i = 0; i < T; i++) {
            int answer = 0;
            int N = problem.nextInt();
            int S = problem.nextInt();
            int p = problem.nextInt();
            List<Triplet> googlers = new ArrayList<Triplet>();
            for (int j = 0; j < N; j++) {
                googlers.add(new Triplet(problem.nextInt()));
            }
            int possibleSurprises = 0;
            for (Triplet triplet : googlers) {
                if (triplet.minMax() >= p) {
                    answer++;
                    continue;
                }
                if (triplet.maxMax() >= p) {
                    possibleSurprises++;
                }
            }
            answer += possibleSurprises >= S ? S : possibleSurprises;
            System.out.println(String.format("Case #%s: %s", i + 1, answer));
        }
    }

}

class Triplet {

    private int totalScore;

    public Triplet(int totalScore) {
        this.totalScore = totalScore;
    }
    
    private int min() {
        return new BigDecimal(totalScore).divide(new BigDecimal(3), RoundingMode.FLOOR).intValue();
    }

    public int minMax() {
        return new BigDecimal(totalScore).divide(new BigDecimal(3), RoundingMode.CEILING).intValue();
    }

    public int maxMax() {
        int lalala = this.totalScore % 3;
        if (lalala == 0) {
            lalala = 1;
        }
        if (this.totalScore == 0) {
            lalala = 0;
        }
        return this.min() + lalala;
    }
}
