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.*;
import java.util.*;

public class ProblemB {
  

  
  /*
   * Takes an input file and output file as inputs.
   */
  public static void main(String file[]) throws IOException{
    
    BufferedReader in;
    BufferedWriter out;
    int numCases, numGooglers, numSurp, p, score;
    Integer result;
    
    
    // Open the file and create a reader
    in = new BufferedReader(new FileReader(file[0]));
    
    // Create an output file and a writer
    out = new BufferedWriter(new FileWriter(file[1]));
    
    numCases = Integer.parseInt(in.readLine());
    
    // for each case
    for (int i = 0; i < numCases; i++) {
      out.write("Case #" + (i+1) + ": ");
      
      // prepare variables
      String line = in.readLine();
      String[] numbers = line.split(" ");
      numGooglers = Integer.parseInt(numbers[0]);
      numSurp = Integer.parseInt(numbers[1]);
      p = Integer.parseInt(numbers[2]);
      result = 0;
      for (int j = 0; j < numGooglers; j++) {
          score = Integer.parseInt(numbers[j+3]);
      
          // first check if it could give p without being surprising
          if (score >= 3*p-2) {
              result++;
              if (score < p)
                  result--;
          }
          // otherwise see if it could give p being a surprise and
          // also if we even have any suprises left
          else if (numSurp > 0 && score >= 3*p-4) {
              result++;
              numSurp--;
              if (score < p) {
                  result--;
                  numSurp++;
              }
          }
      }
      out.write(result.toString());
      out.newLine();
    }
    in.close();
    out.close();
  }
}
    
    