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.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;


public class Main {
	
	public static void main(String args[]) throws NumberFormatException, IOException {
		
		BufferedReader in = new BufferedReader(new FileReader("B-small-attempt0.in"));
		PrintWriter out = new PrintWriter(new FileWriter("out.txt")); 
		GooglersDance a = new GooglersDance();
		
		String inString = "";
		int t = Integer.parseInt(in.readLine());
		
		for(int i = 0; i < t; i++) {
			
			inString = in.readLine();
			String[] word = inString.split(" ");
			int n = Integer.parseInt(word[0]);
			int s = Integer.parseInt(word[1]);
			int p = Integer.parseInt(word[2]);
			int dancers[] = new int[n];
			for(int j = 3; j < word.length; j++) {
				
				dancers[j-3] = Integer.parseInt(word[j]);
				
			}
			out.println("Case #" + (i+1) + ": " + a.maxDancers(n,s,p,dancers));
			
		}
		in.close();
		out.close();
		
	}
	
	private static void printArray(String[] a) {
		
		for(int i = 0; i < a.length; i++) {
			
			System.out.print(a[i] + " ");
			
		}
		System.out.print("\n");
		
	}

}
