/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package codejam.common;

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Lance Chen
 */
public class CodeHelper {

    private static String FILE_ROOT = "D:/workspace/googlecodejam/meta";

    public static List<List<String>> loadInputsExcludes(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        int index = 0;
        for (String line : lines) {
            if (index == 0) {
                index++;
                continue;
            }
            if (index % 2 == 1) {
                index++;
                continue;
            }
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
            index++;
        }
        return result;
    }

    public static List<List<String>> loadInputs(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        for (String line : lines) {
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
        }
        return result;
    }

    public static List<String> loadInputLines(String fileName) {
        return FileUtil.readLines(FILE_ROOT + fileName);
    }

    public static void writeOutputs(String fileName, List<String> lines) {
        FileUtil.writeLines(FILE_ROOT + fileName, lines);
    }
}

import java.util.*;
import java.io.*;
public class Dancer 
{
  public static void main(String[] args) 
  {
    Scanner in = new Scanner(new BufferedInputStream(System.in));
    int T = in.nextInt();
    for(int i = 0; i < T; i++) 
    {
      int N = in.nextInt();
      int S = in.nextInt();
      int p = in.nextInt();
      int minTotal = p*3-4;
      int minTotalnoS = p*3-2;
      if(p <= 1)
      {
        minTotal = p;
        minTotalnoS = p;
      }
      int surprises = 0;
      int dancers = 0;
      //int[] scores = new int[N];
      for(int j = 0; j < N; j++)
      {
       // scores[j] = in.nextInt();
        int score = in.nextInt();
        if(score >= minTotal) {
          dancers++;
          if(score < minTotalnoS) 
            surprises++;
        }
      }
      if(S < surprises)
        dancers -= (surprises - S);
      System.out.printf("Case #%d: %d\n",i+1,dancers);
    }
  }
}