import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;


public class GooglersDancer {

	/**
	 * @param args
	 * @throws IOException
	 */
	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		InputStreamReader converter = new InputStreamReader(System.in);
		BufferedReader in = new BufferedReader(converter);
		if (in == null) {
		      return;
		    }
		String numTest = in.readLine();
		int maxCases = Integer.valueOf(numTest);
		for(int i=1;i<= maxCases;i++){
			String linea = in.readLine();
			String[] datos = linea.split(" ");
			Integer googlers = Integer.valueOf(datos[0]);
			Integer sospechosos = Integer.valueOf(datos[1]);
			Integer p = Integer.valueOf(datos[2]);
			Integer puntuacion;
			Integer personas = 0;
			ArrayList<Integer> puntuaciones = new ArrayList<Integer>();
			for(int j=0;j<googlers;j++){
				puntuacion = Integer.valueOf(datos[3+j]);
				puntuaciones.add(puntuacion);
			}
			Integer[] pOrdenado = null;
			pOrdenado = (Integer[]) puntuaciones.toArray(new Integer[puntuaciones.size()]);
			Arrays.sort(pOrdenado);
			int j;
			for(j=pOrdenado.length-1;j>=0;j--){
				if(pOrdenado[j] >= p*3-2){
					personas += 1;
				}else{
					break;
				}
			}
			int posibles = j+1-sospechosos;
			for(;j>=posibles && j>= 0;j--){
				if(pOrdenado[j] >= p*3-4 && pOrdenado[j] > p){
					personas += 1;
				}else{
					break;
				}
			}
			System.out.println("Case #"+i+": "+personas);
		}
	}

}

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.StringTokenizer;


public class ProblemB {
	public static void main(String [] args) throws NumberFormatException, IOException
	{
		BufferedReader r = new BufferedReader( new FileReader("C:\\Users\\ÐÐÐ\\Downloads\\B-small-attempt1.in"));
		ArrayList<String> s = new TestCaseReader().read(r);
		s = new ProblemB().remap(s);
		OutputPrinter p = new OutputPrinter();
		for (String str : s)
			p.print(str);
		p.m_writer.flush();
		p.m_writer.close();
		
	}

	private ArrayList<String> remap(ArrayList<String> s) {
		ArrayList<String> remapped = new ArrayList<String>();
		for (String str : s)
		{
			
			StringTokenizer tk = new StringTokenizer(str, "  ");
			
			int n_googlers = Integer.parseInt(tk.nextToken());
			int n_surprises = Integer.parseInt(tk.nextToken());
			int target_score = Integer.parseInt(tk.nextToken());
			int total = 0;
			
			for (int i = 0 ; i < n_googlers ; i ++ )
			{
				int score = Integer.parseInt(tk.nextToken());
				int score_div = score % 3;
				int score_avg = score /3;
				
				if (score < target_score)
					continue;
				
				if (score_avg  >= target_score&& score_div == 0)
					total++;
				else
				if (score_div > 0 && score_avg  >= target_score -1 )
				{
					total++;
				}
				else
				if (n_surprises > 0)
				{
					int avg_rest_of_score = (score - target_score)/2;
					if (score_avg >= target_score -2 && (target_score - avg_rest_of_score) <= 2)
					{
						total ++;
						n_surprises --;
					}
				}
				
			}
			remapped.add("" +total);
		}
		return remapped;
	}
}
