/*
 * 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.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;


public class DancingGooglers {
	
	public static int num (int c,int p,int [] g){
		int n = 0;
		for (int i =0;i<g.length;i++){
			if (g[i]>=p+p+p-2){
				n++;
			}
			else if (g[i]>=p+p+p-4){
				if (c>0){
					n++;
					c--;
				}
			}
		}
		return n;
	}
	
	public static void main (String [] args) throws NumberFormatException, IOException{
		BufferedReader br = new BufferedReader(new FileReader("B-large.in"));
		int t = Integer.parseInt(br.readLine());
		for (int i =0;i<t;i++){
			StringTokenizer s1 = new StringTokenizer(br.readLine());
			int [] g = new int [Integer.parseInt(s1.nextToken())];
			int c = Integer.parseInt(s1.nextToken());
			int p = Integer.parseInt(s1.nextToken());
			for (int j =0;j<g.length;j++){
				g[j] = Integer.parseInt(s1.nextToken());
			}
			if (p>1){
				System.out.printf("Case #%d: %d\n",i+1,num(c,p,g));
			}
			else {
				int n = 0;
				for (int j =0;j<g.length;j++){
					if (g[j]>=p+p+p-2){
						n++;
					}
				}
				System.out.printf("Case #%d: %d\n",i+1,n);
			}
		}
	}
}
