package problem1;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Arrays;





public class Problem1 {

    public static void main(String[] args) throws FileNotFoundException, IOException{
        try {
             TextIO.readFile("L:\\Coodejam\\Input\\Input.txt");
        }
        catch (IllegalArgumentException e) {
              System.out.println("Can't open file ");
              System.exit(0);
         }
        
        FileOutputStream fout = new FileOutputStream("L:\\Coodejam\\Output\\output.txt");
        PrintStream ps=new PrintStream(fout);
        
        int cases=TextIO.getInt();
        int googlers=0,surprising=0,least=0;
        for(int i=0;i<cases;i++){
            int counter=0;
            googlers=TextIO.getInt();
            surprising=TextIO.getInt();
            least=TextIO.getInt();
            int score[]=new int[googlers];
            for(int j=0;j<googlers;j++){
                score[j]=TextIO.getInt();
                 }
            
            
            
            
            Arrays.sort(score);
            int temp=0;
            int sup[]=new int[surprising];
            
          for(int j=0;j<googlers && surprising>0;j++){
               if(biggestNS(score[j])<least && biggestS(score[j])==least){
                   surprising--;
                   counter++;
                }
               }
           
            for(int j=0;j<googlers;j++){
                if(surprising==0)temp=biggestNS(score[j]);
                    
                else {
                    temp=biggestS(score[j]);
                    surprising--;     
                } 
                   if(temp>=least)counter++;
           
             }
            
             ps.println("Case #"+(i+1)+": "+counter);
        }
    }
    
   static int biggestNS(int x){
       if(x==0)return 0;
       if(x==1)return 1;
       return ((x-1)/3)+1;
   }
   
   static int biggestS(int x){
       if(x==0)return 0;
       if(x==1)return 1;
       return ((x-2)/3)+2;
   }
}
import java.io.*;
import java.util.*;

class GooglersDance {
    public static void main(String[] args) 
	throws Exception {
	new GooglersDance().start();
    }

    void start() 
	throws Exception {
	InputStreamReader is =
            new InputStreamReader(
                                  new FileInputStream("Input"));
        BufferedReader br = new BufferedReader(is);
	OutputStreamWriter os =
	    new OutputStreamWriter(
				   new FileOutputStream("Output"));
	BufferedWriter bw = new BufferedWriter(os);
	String line;
	int[] inputs;
	int test = 1;
	line = br.readLine();
	while ((line = br.readLine()) != null) {
	    String[] inp = line.split(" ");
	    inputs = new int[inp.length];
	    int i = 0;
	    for (String s :  inp) {
		inputs[i++] = Integer.parseInt(s);
	    }
	    int surp = inputs[1];
	    int t = inputs[2];
	    Arrays.sort(inputs, 3, inputs.length);
	    System.out.print("Case #" + test + ": ");
	    String toWrite = "Case #" + test++ + ": ";
	    bw.write(toWrite, 0, toWrite.length());
	    for (i = 3; i < inputs.length; i++) {
		//System.out.print(inputs[i] + " ");
	    }
	    int result = 0;
	    for (i = inputs.length - 1; i > 2; i--) {
		int tot = inputs[i];
		if (tot >= (t * 3)) {
		    result++;
		    continue;
		}
		if (tot <= t) {
		    break;
		}
		tot -= t;
		int val = t - (tot / 2);
		//System.out.print(" val = " + val + " ");
		if (val == 1) {
		    result++;
		    continue;
		}
		else if (val == 2) {
		    if (--surp >= 0) {
			result ++;
			continue;
		    }
		    else {
			break;
		    }
		}
		else {
		    break;
		}
	    }
	    System.out.println(result);
	    String res = Integer.toString(result);
	    bw.write(res, 0, res.length());
	    bw.newLine();
	}
	br.close();
	bw.close();
    }
}