/*
 * 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
    }



///REMOVE ALL OUTPUT AND USE STRINGTOKENIZER!


/*
ID: mfranzs1
LANG: JAVA
TASK: DancingWithTheGooglers
*/
import java.io.*;
import java.util.*;

public class DancingWithTheGooglers {
	static BufferedReader f;
	public static void main (String [] args) throws IOException {
		long unixTime = System.currentTimeMillis();
		// Use BufferedReader rather than RandomAccessFile; it's much faster
		f = new BufferedReader(new FileReader("DancingWithTheGooglers.in"));
	                                                  // input file name goes above
	    PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("DancingWithTheGooglers.out")));

	    
	    int lines=Integer.parseInt(f.readLine());
	    
	    for(int i=0;i<lines;i++){
	    	StringTokenizer st = new StringTokenizer(f.readLine()," ");
	    	int bestOfAtLeastP=0;
	    	int numGooglers=Integer.parseInt(st.nextToken());
	    	int suprising=Integer.parseInt(st.nextToken());
	    	int p=Integer.parseInt(st.nextToken());
	    	int suprisingLeft=suprising;
	    	for(int g=0;g<numGooglers;g++){
	    		int total = Integer.parseInt(st.nextToken());
	    		//System.out.println(total+" "+Math.ceil(total/3D)+" "+p+" "+((total-p)/2D));
	    		if(Math.ceil(total/3D)>=p){
	    			bestOfAtLeastP++;
	    		}else{
	    			//Has to be suprising
	    			if(total>=p){
		    			if(suprisingLeft>0){
		    				if((total-p)/2D>=p-2){
			    				suprisingLeft--;
			    				bestOfAtLeastP++;
		    				}
		    			}
	    			}
	    		}
	    	}
	    	System.out.println("Case #"+(i+1)+": "+bestOfAtLeastP);
	    	out.println("Case #"+(i+1)+": "+bestOfAtLeastP);
	    }
	    
	    out.close();                                  // close the output file
	    
	    //System.out.println("Time elapsed (ms): "+(System.currentTimeMillis()-unixTime));
	    
	    System.exit(0);                               // don't omit this!
	  }
}