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.LinkedList;
class firstgame21 
{
	BufferedReader br;
	PrintWriter pw;

	String input;
	int totalpass;

	public firstgame21()
	{
		try
		{
			br = new BufferedReader(new FileReader("B-small-attempt0.in"));
			pw = new PrintWriter(new BufferedWriter(new FileWriter("output1.txt")));		

			
			input = br.readLine();
			int count = Integer.parseInt(input);

			for (int x=1; x<= count; x++)
			{
				totalpass = 0;
				input = br.readLine();
				String data[] = input.split(" ");
				int people = Integer.parseInt(data[0]);
				int extra = Integer.parseInt(data[1]);
				int min = Integer.parseInt(data[2]);

				for (int y = 0; y< people ; y++ )
				{
					int p = Integer.parseInt(data[3+y]);
					int max;
					if (p%3==0)
					{
						 max = p/3;
				//System.out.println("max1:"+max);
						 if (max >= min)
						 {
							 totalpass++;
						 }
						 else if (max + 1 == min)
						 {
							 if (max == 0)
							 {
							 }
							 else if (extra > 0)
							 {
							 totalpass++;
							 extra-- ;
							 }
						 }
					}
					else if (p%3==1)
					{
						 max = (p/3) + 1;
				//System.out.println("max2:"+max);
						 if (max >= min)
						 {
							 totalpass++;
						 }
					}
					else if (p%3==2)
					{
						 max = (p/3) + 1;
				//System.out.println("max3:"+max);
						 if (max >= min)
						 {
							 totalpass++;
						 }
						 else if (max+1 == min)
						 {
							 if (extra > 0)
							 {
							 totalpass++;
							 extra-- ;
							 }
						 }
					}
				}

				System.out.println("Case #"+x+": "+totalpass);
				pw.println("Case #"+x+": "+totalpass);
			}
			// after end read
			pw.close();
		}
		catch (IOException e)
		{
			System.out.println(e);
		}	
	}
	public static void main(String[] args) 
	{
		new firstgame21();
	}
}
