/**
 * Created by IntelliJ IDEA.
 * User: Administrator
 * Date: 3/3/12
 * Time: 11:00 AM
 * To change this template use File | Settings | File Templates.
 */

import SRMLib.MathLibrary;
import SRMLib.TestSRMLib;
import com.sun.org.apache.bcel.internal.generic.F2D;

import java.io.*;
import java.util.*;
import java.util.zip.Inflater;

public class SRM {
    public static void main(String[] args) throws IOException {
        //TestSRMLib.run();
        codeJam1.main();

        return;
    }
}
class codeJam1 {
    public static void main() throws IOException {
        String inputPath = "E:\\input.txt";
        String outputPath = "E:\\output.txt";
        BufferedReader input = new BufferedReader(new FileReader(inputPath));
        BufferedWriter output = new BufferedWriter(new FileWriter(outputPath));

        String line;
        line = input.readLine();
        int T = Integer.parseInt(line);
        for (int i = 1; i <= T; ++i) {
            line = input.readLine();
            String[] words = line.split(" ");
            int N = Integer.parseInt(words[0]);
            int S = Integer.parseInt(words[1]);
            int p = Integer.parseInt(words[2]);
            int n = 0;
            int res = 0;

            for (int j = 3; j < words.length; ++j) {
                if (p == 0) {
                    res++;
                    continue;
                }

                int t = Integer.parseInt(words[j]);
                if (p == 1) {
                    if (t > 0)
                        res++;
                    continue;
                }
                if (t >= 3 * p - 2)
                    res++;
                else if (t >= 3 * p - 4)
                    n++;
            }

            res += Math.min(n, S);
            output.write("Case #" + i + ": " + res);
            output.newLine();
        }

        input.close();
        output.close();
    }
}


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
/**
 *
 * @author UDDAMA
 */
public class Dance {

    private int danceManager(String inputLine) {

        int count = 0;

        String[] info = inputLine.split(" ");
        int players = Integer.parseInt(info[0]);
        int suprise = Integer.parseInt(info[1]);
        int p = Integer.parseInt(info[2]);

        for (int i = 3; i < info.length; i++) {

            int thisscore = Integer.parseInt(info[i]);
            int tobe = info.length - i;

            if (tobe > suprise) {

                if (hasacount(withoutsuprise(thisscore), p)) {
                    count++;
                } else if (hasacount(withsuprise(thisscore), p) && thisscore > 1 && thisscore < 29 && suprise > 0) {
                    count++;
                    suprise--;
                }

            } else if (tobe <= suprise) {

                if (hasacount(withsuprise(thisscore), p) && thisscore > 1 && thisscore < 29 && suprise > 0) {
                    count++;
                    suprise--;
                }

            }


        }

        return count;
    }

    private boolean hasacount(int[] inputset, int pval) {

        for (int j = 0; j < inputset.length; j++) {
            if (inputset[j] >= pval) {
                return true;
            }
        }
        return false;
    }

    private int[] withsuprise(int input) {
        int[] out = new int[3];
        int n = input / 3;

        if (input % 3 == 0) {
            out[0] = n - 1;
            out[0] = n;
            out[0] = n + 1;
        } else if (input % 3 == 1) {
            out[0] = n - 1;
            out[0] = n + 1;
            out[0] = n + 1;
        } else if (input % 3 == 2) {
            out[0] = n;
            out[0] = n;
            out[0] = n + 2;
        }
        return out;
    }

    private int[] withoutsuprise(int input) {

        int[] out = new int[3];
        int n = input / 3;

        if (input % 3 == 0) {
            out[0] = n;
            out[0] = n;
            out[0] = n;
        } else if (input % 3 == 1) {
            out[0] = n;
            out[0] = n;
            out[0] = n + 1;
        } else if (input % 3 == 2) {
            out[0] = n;
            out[0] = n + 1;
            out[0] = n + 1;
        }
        return out;
    }

    public static void main(String[] args) throws IOException {


        BufferedReader is = new BufferedReader(new InputStreamReader(System.in));
        String inputLine = is.readLine();
        Dance d = new Dance();

        int cases = Integer.parseInt(inputLine);

        for (int i = 0; i < cases; i++) {

            inputLine = is.readLine();
            System.out.println("Case #" + (i + 1) + ": " + d.danceManager(inputLine));


        }

    }
}
