/**
 * 
 */
package pandit.codejam;

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.Scanner;

/**
 * @author Manu Ram Pandit
 * 
 */
public class DancingWithGooglersUpload {

	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {
		FileInputStream fStream = new FileInputStream(
				"input.txt");

		Scanner scanner = new Scanner(new BufferedInputStream(fStream));
		Writer out = new OutputStreamWriter(new FileOutputStream("output.txt"));

		int T = scanner.nextInt();
		int N,S,P,ti;
		int counter = 0;
		for (int count = 1; count <= T; count++) {
			N=scanner.nextInt();
			S = scanner.nextInt();
			counter = 0;
			P = scanner.nextInt();
			for(int i=1;i<=N;i++){
				ti=scanner.nextInt();
				if(ti>=(3*P-2)){
					counter++;
					continue;
				}
				else if(S>0){
					if(P>=2 && ((ti==(3*P-3)) ||(ti==(3*P-4)))) {
					S--;
					counter++;
					continue;
					}
				}
				
			}
			// System.out.println("Case #" + count + ": " + counter);
			out.write("Case #" + count + ": " + counter + "\n");
		}
		fStream.close();
		out.close();

	}

}

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;
    }
}
