/**
 * 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 Googler {
	private int totalScore;
	private int[] scores;
	private boolean isWeird;	// scores of the judge

	public Googler(int totalScore) {
		scores = new int[3];
		this.totalScore = totalScore;
		isWeird = false;
		setMins();
	}

	private void setMins() {
		int copyTotal = this.totalScore;
		int i = 0;	// start at first index
		if (copyTotal == 0) {
			this.scores[0] = 0;
			this.scores[1] = 0;
			this.scores[2] = 0;
		}
		while (copyTotal > 0) {
			this.scores[i] = this.scores[i] + 1;	// index 0 will have highest score
			i = (i + 1) % 3;
			copyTotal--;
		}
	}

	public boolean hasHighScore(int p) {
		int i;
		for (i = 0; i < 3; i++) {
			if (this.scores[i] >= p) {
				return true;
			}
		}
		return false;
	}
	private boolean canBeWeird() {
		if (this.totalScore <= 1 || this.totalScore > 27 || this.totalScore % 3 == 1) {
			return false;
		}
		return true;
	}
	public boolean weirdHighScore(int p) {
		if (canBeWeird() && this.scores[0] + 1 >= p) {
			this.isWeird = true;
			this.scores[0] = this.scores[0] + 1;
			this.scores[1] = this.scores[1] - 1;
			return true;
		} else {
			return false;
		}
	}
	@Override
	public String toString() {
		String s = this.isWeird ? "W" : "";
		s = s + "[" + this.scores[0] + "," + this.scores[1] + "," + this.scores[2] + "] tot=" + this.totalScore;
		return s;
	}
}
