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

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
    
/**
 * 
 * @author dannocz
 */
public class InputReader {
    
    public static Input readFile(String filename){
        try {
              
              /*  Sets up a file reader to read the file passed on the command
          77        line one character at a time */
              FileReader input = new FileReader(filename);
              
              /* Filter FileReader through a Buffered read to read a line at a
                 time */
              BufferedReader bufRead = new BufferedReader(input);
              
              String line;    // String that holds current file line
              int count = 0;  // Line number of count 
              ArrayList<String> cases= new ArrayList<String>();
              
              // Read first line
              line = bufRead.readLine();
              int noTestCases=Integer.parseInt(line);
              count++;
              
              // Read through file one line at time. Print line # and line
              while (count<=noTestCases){
                  //System.out.println("Reading. "+count+": "+line);
                  line = bufRead.readLine();
                  cases.add(line);
                  count++;
              }
              
              bufRead.close();
              
              return new Input(noTestCases,cases);
              
          }catch (ArrayIndexOutOfBoundsException e){
              /* If no file was passed on the command line, this expception is
              generated. A message indicating how to the class should be
              called is displayed */
              e.printStackTrace();        
  
          }catch (IOException e){
              // If another exception is generated, print a stack trace
              e.printStackTrace();
          }
        
        return null;
          
      }// end main
    }

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

package a2012;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Scanner;
/**
 *
 * @author G
 */
public class B {
    static File home=new File("F:/Documents/Downloads/");
    public static void main(String...args)throws Exception{
        Scanner sc = new Scanner(new File(home,"B-large.in"));
        new File(home,"B").mkdir();
        System.setOut(new PrintStream(new File("b.out")));
        final int casos=sc.nextInt();
        for(int caso=1;caso<=casos;caso++){
            int N=sc.nextInt();
            int S=sc.nextInt();
            int p =sc.nextInt();
            int m=0;
            int[] ns=new int[40];
            for(int e=0;e<N;e++)ns[sc.nextInt()]++;
            surprising:{
                for(;S>0;m++,S--){
                    if(p>2&&p+p+p-4>=0&&ns[p+p+p-4]>0)ns[p + p + p - 4]--;
                    else if(p>1&&p+p+p-3>=0&&ns[p + p + p - 3] > 0)ns[p + p + p - 3]--;
                    else{
                        break;
                    }
                }
            }
            for(int e=Math.max(p + p + p - 2,0);e<ns.length;e++)m+=ns[e];
            System.out.println("Case #"+caso+": "+m);
        }
        System.out.close();
    }
}
