/*
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 * and open the template in the editor.
 */
package IO;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
    
/**
 * 
 * @author dannocz
 */
public class InputReader {
    
    public static Input readFile(String filename){
        try {
              
              /*  Sets up a file reader to read the file passed on the command
          77        line one character at a time */
              FileReader input = new FileReader(filename);
              
              /* Filter FileReader through a Buffered read to read a line at a
                 time */
              BufferedReader bufRead = new BufferedReader(input);
              
              String line;    // String that holds current file line
              int count = 0;  // Line number of count 
              ArrayList<String> cases= new ArrayList<String>();
              
              // Read first line
              line = bufRead.readLine();
              int noTestCases=Integer.parseInt(line);
              count++;
              
              // Read through file one line at time. Print line # and line
              while (count<=noTestCases){
                  //System.out.println("Reading. "+count+": "+line);
                  line = bufRead.readLine();
                  cases.add(line);
                  count++;
              }
              
              bufRead.close();
              
              return new Input(noTestCases,cases);
              
          }catch (ArrayIndexOutOfBoundsException e){
              /* If no file was passed on the command line, this expception is
              generated. A message indicating how to the class should be
              called is displayed */
              e.printStackTrace();        
  
          }catch (IOException e){
              // If another exception is generated, print a stack trace
              e.printStackTrace();
          }
        
        return null;
          
      }// end main
    }

import java.util.Scanner;

public class problemB {

	private static final StringBuilder output = new StringBuilder();

	private static int i = 1;

	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		int tests = s.nextInt();
		s.nextLine();
		for (int i = 0; i < tests; i++) {
			addLine(String.valueOf(getMaxDancers(s.nextLine())));
		}
		System.out.println(showLine());

	}

	private static int getMaxDancers(String line) {
		String[] values = line.split(" ");
		int surprising = Integer.parseInt(values[1]);
		int score = Integer.parseInt(values[2]);
		int minScore = score * 3 - 2;
		int minSurp = minScore - 2;
		int numOfDancers = 0;
		for(int i = 3; i < values.length; i++){
			int sumOfPoints = Integer.parseInt(values[i]);
			if(sumOfPoints >= minScore){
				numOfDancers++;
			}
			else if(sumOfPoints > 1 && sumOfPoints >= minSurp && surprising > 0){
				numOfDancers++;
				surprising--;
			}
		}
		return numOfDancers;
	}

	private static void addLine(String s){
		output.append("Case #");
		output.append(i);
		output.append(": ");
		output.append(s);
		output.append("\n");
		i++;
	}


	public static String showLine(){
		return output.toString();
	}
}
