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 com.teamg9.codejam;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintStream;
import java.util.Scanner;

interface ISolver {
	public String evaluate();
}
public abstract class Solver implements ISolver {

	protected Scanner in;
	
	public void solve() {
		in = new Scanner(System.in);
		_solve(System.out);
	}
	
	public void solve(File inFile) {
		String filename = inFile.getPath();
		filename = filename.substring(0, filename.lastIndexOf('.'));
		File outFile = new File(filename + ".out");
		try {
			in = new Scanner(inFile);
			_solve(new PrintStream(outFile));
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}
	}
	
	private void _solve(PrintStream out) {
		int count = in.nextInt();
		in.nextLine();
		for(int index = 0; index<count; index++) {
			out.append("Case #")
				.append(String.valueOf(index+1))
				.append(": ")
				.append(evaluate())
				.append("\n");
		}
	}
	
	public String solve(String singleTest) {
		in = new Scanner(singleTest);
		return evaluate();
	}
	
}
