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);
		}
	}

}

// Dancing With the Googlers

import java.io.*;

public class DancingWithGooglers {
	public static void main(String[] args) throws Exception {
		String inputPath = args[args.length-2];
		String outputPath = args[args.length-1];
		
		BufferedReader br = new BufferedReader(new FileReader(inputPath));
		int numberOfTestCases = Integer.parseInt(br.readLine());
		
		StringBuilder output = new StringBuilder();
		
		for (int i=1; i<=numberOfTestCases; i++) {
			String components[] = br.readLine().split(" ");
			int numberOfDancers = Integer.parseInt(components[0]);
			int numberOfSurprisingResults = Integer.parseInt(components[1]);
			int bestScore = Integer.parseInt(components[2]);
			int numberOfBestScores = 0;
			
			for (int totalScoreIndex=3; totalScoreIndex<(3+numberOfDancers); totalScoreIndex++) {
				int totalScore = Integer.parseInt(components[totalScoreIndex]);
				int average = totalScore / 3;
				int overflow = totalScore % 3;
				
				if (average >= bestScore) {
					numberOfBestScores++;
				} else if ((overflow != 0) && ((average+1) >= bestScore)) {
					numberOfBestScores++;
				} else if (numberOfSurprisingResults != 0) {
					if ((overflow == 2) && ((average+overflow) >= bestScore)) {
						numberOfBestScores++;
						numberOfSurprisingResults--;
					} else if ((overflow == 0) && (average > 0) && ((average+1) >= bestScore)) {
						numberOfBestScores++;
						numberOfSurprisingResults--;
					}
				}
				
//				System.out.println(totalScore + " " + average + " " + overflow + " " + numberOfBestScores);
			}
//			System.out.println("Case #" + i + ": " + numberOfBestScores + "\n");
			output.append("Case #" + i + ": " + numberOfBestScores + "\n");
		}
		
		BufferedWriter bw = new BufferedWriter(new FileWriter(outputPath));
		String outputString = output.toString();
		bw.write(outputString, 0, outputString.length());
		bw.close();
	}
}
