/**
 * 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.BufferedInputStream;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStreamReader;

public class SolutionDance {
    static DataInputStream in = new DataInputStream(new BufferedInputStream(System.in));
    static BufferedReader din = new BufferedReader( new InputStreamReader(in));
    public static void main(String args[]){
        int t = parseInt(getLine());
        String[] g = new String[t];
        int n, s, p; int [] part; String out = "Case #";

        for(int i = 0;i<t;i++){
            g[i] = getLine();
        }
        for(int i = 0;i<t;i++){
            int count = 0;  out = "Case #";
            String[] spl =  g[i].split(" ");
            n =  parseInt(spl[0]);
            s =  parseInt(spl[1]);
            p =  parseInt(spl[2]);
            part = getPart(spl, n, p);
            for(int q = 0;q<n;q++){
                if(part[q]>=0){
                    if(2*p-part[q] <=2){
                        count++;
                    }else{
                        if(2*p-part[q] <=4){
                            if(s>0){
                                s--;
                                count++;
                            }
                        }
                    }
                }
            }
            out = out+(i+1)+": " +count;
            soutln(out);
        }
    }

    private static int[] getPart(String[] spl, int n, int p) {
        int [] part = new int [n];
        for(int i = 0;i<n;i++){
            part[i] =  parseInt(spl[i+3]) - p;
        }
        return part;
    }


    public static String getLine(){
        String input = "";
        try {
            input = din.readLine();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return input;
    }

    public static int parseInt(String s){
        return Integer.parseInt(s);
    }
    
    public static void sout(Object n){
        System.out.print(n);
    }
    public static void soutln(Object n){
        System.out.println(n);
    }
}

