/*
 * 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.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));
    }
    
    
    
  }

}
