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.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;


public class Try2 {

	/**
	 * @param args
	 */
	static BufferedWriter out;
	static String inputFile = "input";
	static String outputFile = "out.txt";
	
	public static void main(String[] args) {
		File file = new File(inputFile);
		if (file.exists()) {
			try {
				BufferedReader inFile = new BufferedReader(new FileReader(file));
				FileWriter fstream = new FileWriter (outputFile);
				out = new BufferedWriter (fstream);
				String sLine = null;
				int counter = 0;
				while ((sLine=inFile.readLine())!=null) {
					if (counter > 0) {
						out.write("Case #" + counter + ": ");
							
						handleIt(sLine);
					}
					counter++;
				}
				out.close();
			} catch (Exception e) {System.err.println(e);}
			
			
		}

	}
	private static void handleIt(String sLine) throws Exception{
		String [] array;
		array = sLine.split(" ");
		int numGooglers = Integer.parseInt(array[0]);
		int numSurprises = Integer.parseInt(array[1]);
		int N = Integer.parseInt(array[2]);
		int result = 0;
		for (int i=0; i<numGooglers; i++) {
			
			int currentNum = Integer.parseInt(array[i+3]);
			if (currentNum == 1) {
				if (N > 1)
					continue;
				result++;
			}
			else if (currentNum == 0) {
				if (N > 0)
					continue;
				result++;
			}
			else if (currentNum >= 3*N-2)
				result++;
			else if (currentNum == 3*N-3 || currentNum == 3*N-4) {
				if (numSurprises > 0) {
					numSurprises--;
					result++;
				}
				
			}
			
		}
		out.write(result+'0');
		
		out.newLine();
	}

}
