/*
 * 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
    }

package qual;

import java.util.Scanner;

public class GoogleDancing {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
        
		int T = in.nextInt();
		
		in.nextLine();
		
	    for(int t=0;t<T;t++)
	    {
	    	String s = in.nextLine();
	    	String[] inputs = s.split(" ");
	    	int noOfGooglers = Integer.parseInt(inputs[0]);
	        int surprising = Integer.parseInt(inputs[1]);
	        int p = Integer.parseInt(inputs[2]);
	        int count = 0;
	        for(int i=0;i<noOfGooglers;i++)
	        {
	        	int ni = Integer.parseInt(inputs[3 + i]);
	        	int rem = ni - p;
	        	if(p==0)
	        		count++;
	        	else
	        	if(p==1)
	        	{
	        		if(ni>=1)
	        			count++;
	        	}
	        	else	
	        	if(rem>= (2*p - 2))
	        		count++;
	        	else if(rem>= (2*p - 4) && surprising>0)
	        	{
	        		count++;
	        		surprising--;
	        	}
	        }
	        System.out.println("Case #" + (t+1) + ":" + " " + count);
	    }

	}

}
