/**
 * 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();
    }
}

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.FileInputStream;
import java.util.Arrays;
import java.util.Scanner;


public class B {

  public static int gao(int s, int p , int[] ss) {
    int p1 = p + Math.max(0,p-1) * 2;
    int p2 = p + Math.max(0,p-2) * 2;
    
    Arrays.sort(ss);
    int ret = 0;
    for (int i = ss.length - 1; i >=0; --i) {
      int n = ss[i];
      if (n >= p1) {
        ret ++;
      } else  if (n >= p2 && s > 0) {
        ret ++;
        s--;
      }
    }
    
    
    return ret;
    
  
  }
  
  public static void main(String[] args) throws Exception {
    
    
    //InputStream in = System.in;
    InputStream in = new FileInputStream("c:\\B-small-attempt0.in");
    
    Scanner scanner = new Scanner(in);
    //BufferedReader r = new BufferedReader(new InputStreamReader(in));
    /*
    for (;;) {
      String l = r.readLine();
      if (l == null) {
        break;
      }
    }
    */
    
    int n;
    n = scanner.nextInt();
    for (int i = 1; i <= n; ++i) {
      int m = scanner.nextInt();
      int s = scanner.nextInt();
      int p = scanner.nextInt();
      int[] ss = new int[m];
      for (int j = 0; j < m; ++j) {
        ss[j] = scanner.nextInt();
      }
      System.out.println("Case #" + i + ": " + gao(s, p, ss));
    }
    
    
    
  }

}
