/**
 * 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();
    }
}


public class Triplet implements Comparable<Triplet> {
	
	private int s1;
	private int s2;
	private int s3;
	
	public Triplet(int _s1,int _s2,int _s3){
		s1=_s1;
		s2=_s2;
		s3=_s3;
	}
	
	@Override
	public int compareTo(Triplet o) {
		return new Integer(o.getMax()).compareTo(this.getMax());
	}
	
	public boolean isSurprising(){
		if(Math.abs(s1-s2)==2 || Math.abs(s1-s3)==2 || Math.abs(s2-s3)==2) return true;
		return false;
	}
	
	public int getMax(){
		if(s1>s2 && s1>s3) return s1;
		else if (s2>s3) return s2;
		else return s3;
	}
	
	public void setS1(int s1) {
		this.s1 = s1;
	}
	public int getS1() {
		return s1;
	}
	public void setS2(int s2) {
		this.s2 = s2;
	}
	public int getS2() {
		return s2;
	}
	public void setS3(int s3) {
		this.s3 = s3;
	}
	public int getS3() {
		return s3;
	}
	
	

}
