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;


public class Countscores {

	public static int processLine(String data) {
		int result = 0;
		String[] info = data.split(" ");
//		for (int i = 0; i < info.length; i++) {
//			System.out.print(info[i] + " ");
//		}
//		System.out.println();
		
		int N = Integer.parseInt(info[0]);
		if (info.length < 3 + N) {
			System.err.println("insufficient arguments!");
			return -1;
		}
		int surprises = Integer.parseInt(info[1]);
		int surprisecount = 0;
		int threshold = 3 * Integer.parseInt(info[2]);
		
		for (int i = 0; i < N; i++) {
			int totalscore = Integer.parseInt(info[3 + i]);
			if (totalscore >= threshold - 2) {
				result++;
			} else if (totalscore > Math.max(threshold - 5, 0) 
					&& surprisecount < surprises) {
				result++;
				surprisecount++;
			}
		}
		
		return result;
	}
	
	public static void countScores(String input) {
		try {
			BufferedReader br = new BufferedReader(new FileReader(input));
			int cases = Integer.parseInt(br.readLine());
			int idx = 0;
			while (idx < cases) {
				idx++;
				System.out.println("Case #" + idx + ": " + processLine(br.readLine()));
			}
			br.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	public static void main(String[] args) {
		String input = "C:/Users/hattori/Downloads/B-small-attempt0.in";
		countScores(input);
	}
	
}
