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.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.util.Arrays;
import java.util.Scanner;

public class Read {
	int noOfTestCases;
	
	
int []N;
int []S;
int []p;
int [][]all;
	public void test() throws FileNotFoundException{
		File file = new File("out");
		File file2 = new File("out2");
		Scanner scanner = new Scanner(file);
		Scanner scanner2 = new Scanner(file2);
		while(scanner.hasNext()){
			String l1 = scanner.nextLine();
			String l2 = scanner2.nextLine();
			if(!l2.equals(l1)){
				System.out.println(l1);
				System.out.println(l2);
				System.out.println("wrong");
			}
		}
	}

	public void Read(String name) {
		File file = new File(name);

		try {

			Scanner scanner = new Scanner(file);
			String line = scanner.nextLine();
			noOfTestCases = Integer.parseInt(line);
			N =  new int[noOfTestCases];
			S =  new int[noOfTestCases];
			p = new int[noOfTestCases];
			all = new int[noOfTestCases][];
			int i=0;
			while(i<noOfTestCases){
			int x = scanner.nextInt();
			N[i]=x;
			 x = scanner.nextInt();
			 S[i]=x;
			  x = scanner.nextInt();
			 p[i]=x;
				int []curr= new int[N[i]];
			 for (int j = 0; j < N[i]; j++) {
				curr[j]=scanner.nextInt();
			}
			 all[i]=curr;
			i++;
			}
		} catch (FileNotFoundException e) {

		}

	}
	public void write(String fname,String data)
	{
		try{
			  // Create file 
			  FileWriter fstream = new FileWriter(fname);
			  BufferedWriter out = new BufferedWriter(fstream);
			  out.write(data);
			  //Close the output stream
			  out.close();
			  }catch (Exception e){//Catch exception if any
			  System.err.println("Error: " + e.getMessage());
			  }
	}
public static void main(String[] args) throws FileNotFoundException {
	Read r = new Read();
	r.test();
//	for (int i = 0; i < 50; i++) {
//		System.out.println("1000000 2000000");
//	}
}
}
