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.util.Scanner;

public class DancingWithTheGooglers {

   public static void main(String[] argv) {

      int lineCounter,numberOfLines,people,currentScore;
      int surprises,scoreToBeat,counter,answer;
      int possibleScore;
      Scanner input = null;

      try {input = new Scanner(System.in);}
      catch (Exception e) { System.err.println("FileNotFoundException: " + e.getMessage()); }

      numberOfLines = input.nextInt();

      for (lineCounter = 0; lineCounter < numberOfLines; lineCounter++) {
         answer = 0;
         input.nextLine();
         people = input.nextInt();
         surprises = input.nextInt();
         scoreToBeat = input.nextInt();

         for (counter = 0; counter < people; counter++) {
            currentScore = input.nextInt();
            possibleScore = scoreNoSurprise(currentScore);
            if (possibleScore >= scoreToBeat)
               answer++;
            else if (surprises > 0) {
               possibleScore = scoreSurprise(currentScore);
               if (possibleScore >= scoreToBeat) {
                  answer++;
                  surprises--;
               }
            }
         }

         System.out.printf("Case #%d: %d\n",lineCounter+1,answer);

      }

   }

   public static int scoreNoSurprise(int value) {
      if (value < 2)
         return value;
      if (value == 2)
         return 1;
      int totalScore = value;
      int divergence = totalScore%3;
      int baseScore = totalScore/3;
      if (divergence == 2) {
         return baseScore+1;
      }
      else if (divergence == 1) {
         return baseScore+1;
      }
      else { // divergence == 0
         return baseScore;
      }
   }

   public static int scoreSurprise(int value) {
      if (value < 3)
         return value;
      int totalScore = value;
      int divergence = totalScore%3;
      int baseScore = totalScore/3;
      if (divergence == 2) {
         return baseScore+2;
      }
      else if (divergence == 1) {
         return baseScore+1;         
      }
      else { // divergence == 0
         return baseScore+1;
      }
   }

}
