/*
 * 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
    }

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;


public class Googlers {
	public static void main(String args[])throws IOException{
		Scanner scan = new Scanner(new File(System.getProperty("user.dir")+"/input.in"));
		FileWriter file = new FileWriter("output.out");
		int n=Integer.parseInt(scan.nextLine());
		for(int j=0;j<n;j++){
			int numGooglers = scan.nextInt();
			int totalSurprising = scan.nextInt();
			int p = scan.nextInt();
			int[] totals = new int[numGooglers];
			for(int i=0;i<numGooglers;i++){
				totals[i]=scan.nextInt();
			}
			int[] totalsMinus = new int[numGooglers];
			for(int i=0;i<numGooglers;i++){
				totalsMinus[i]=totals[i]-p;
			}
			int max =0;
			int surprising=0;
			for(int i=0;i<numGooglers;i++){
				if(totalsMinus[i]>=0&&p-(int)Math.floor(totalsMinus[i]/2)<=2){
					max++;
					if(p-(int)Math.floor(totalsMinus[i]/2)==2)
						surprising++;
				}
			}
			while(surprising>totalSurprising){
				surprising--;
				max--;
			}
			file.write("Case #"+Integer.toString(j+1)+": "+Integer.toString(max)+"\r\n");
		}
		file.close();
	}
}
