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.File;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.Scanner;

public class dancers {
	public static void main(String[] args) {
		try {
			Scanner input = new Scanner(new File("c:\\files\\B-small-attempt0.in"));
			FileWriter fw =  new FileWriter("c:\\files\\douts.txt");
			PrintWriter output = new PrintWriter(fw);
			int n = input.nextInt();
			for(int i=0;i<n;i++)
			{
				
				int noD = input.nextInt();
				int surprise = input.nextInt();
				int points = input.nextInt();
				
				int total[] = new int[noD];
				int count = 0;
				
				for(int j=0;j<noD;j++)
					total[j]=input.nextInt();
				
				for(int j=0;j<noD-1;j++)
					for(int k=j+1;k<noD;k++)
						if(total[j]<total[k])
						{
							int temp=total[j];
							total[j]=total[k];
							total[k]=temp;
						}
				
				for(int dIndex=0;dIndex<noD;dIndex++)
				{
					if(total[dIndex]>=3*points-2)
						count++;
					else if(surprise>0 && (total[dIndex]==3*points-3 || total[dIndex]==3*points-4) && total[dIndex]>0)
					{
						surprise--;
						count++;
					}
					else
						break;
				}
				output.println("Case #"+(i+1)+": "+count);
			}
			output.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}
