import java.util.*;

public class B {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int T = sc.nextInt();
        B th = new B();
        for (int i = 0; i < T; i++) {
            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();
            int[] t = new int[n];
            for (int j = 0; j < n; j++) {
                t[j] = sc.nextInt();
            }
            int c = th.getAnswer(s,p,t);
            System.out.println("Case #" + (i+1) + ": " + c);
        }
    }
    public int getAnswer(int s, int p, int[] t) {
        int A1 = p + p-1+p-1;
        int A2 = p + p-2+p-2;
        if (A1 < 0)
            A1 = 0;
        if (A2 < 0)
            A2 = 1;
        int remain = s;
        int count = 0;
        int n = t.length;
        for (int i = 0; i < n; i++) {
            if (t[i] >= A1) {
                count++;
            } else if (t[i] < A1 && t[i] >= A2) {
                if (remain > 0) {
                    remain--;
                    count++;
                }
            }
        }
        return count;
    }
}


package google.solver;

import google.loader.ChallengeLoader;
import google.loader.ChallengeReader;

import java.io.FileInputStream;
import java.util.Properties;

public class Solver implements ChallengeConstants{

	private ChallengeReader reader;
	private String inputFileName;
	private String result;
	private final String path;

	public Solver(String aPath) {
		this.path = aPath;
		init();
		solve();
		writeResult();
	}

	private void solve() {
		ChallengeLoader loader = new ChallengeLoader(reader);
		loader.load(inputFileName);
		result = loader.getResult();
	}

	private void init() {
		try{
			String propFileName = path+DELIMITER+CHALLENGE_DEFINITION;
			Properties properties = new Properties();
			properties.load(new FileInputStream(propFileName));
			inputFileName = path+DELIMITER+(String)properties.get("fileName");
			String readerClassName = (String)properties.get("readerClassName");
			reader = (ChallengeReader) Class.forName(readerClassName).newInstance();
		}
		catch(Exception e){
			throw new RuntimeException(e);
		}
	}

	public String getResult(){
		return result;
	}


	public void writeResult(){
		String result = getResult();
		write(result);
	}


	private void write(String text) {
		ProblemPackageCreator.write(getResultFileName(), text);
	}
	
	private String getResultFileName() {
		return inputFileName+".result";
	}

	public static void main(String[] args) {
		String problem = CHALLENGE_NAME;
		String path = BASE_DIR+DELIMITER+problem;
		Solver solver = new Solver(path);
		String result = solver.getResult();
		System.out.println(result);
	}
}
