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.FileReader;
import java.io.InputStreamReader;
public class GooglersDance {
	static int output = 0;
	static int numberOfDancers = 0;
	static int surprise = 0;
	static int bestResult = 0;

	public static void main(String[] args) {
		try {

			InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader reader = new BufferedReader(new FileReader("e:/B-small-attempt0.in"));
			int totalLines = Integer.parseInt(reader.readLine());
			for(int k=0;k<totalLines;k++)
			{
				String[] input = reader.readLine().split(" ");
				numberOfDancers = Integer.parseInt(input[0]);
				surprise = Integer.parseInt(input[1]);
				bestResult = Integer.parseInt(input[2]);
				output = 0;
				
				int [] totalPoints = new int[numberOfDancers];
				for (int i = 0; i < totalPoints.length; i++) {
					totalPoints[i] = Integer.parseInt(input[3+i]);
					isBestReesult(totalPoints[i]);
				}
				System.out.println("Case #" + (k+1) + ": " + output);
			}
		} catch (Exception ex) {
			System.out.println(ex);
		}
	}

	private static void isBestReesult(int i) {
		int av = i/3;
		int rem = i%3;

		if(av+2 < bestResult)
			return;

		if(rem == 0)
		{
			if(av >= bestResult)
			{
				output++;
			}else if(av+1 >= bestResult && av+1 <= i && surprise > 0)
			{
				output++;
				surprise--;
			}
		}else if(rem == 1)
		{
			if((av >= bestResult || av+1 >= bestResult) && av+1 <= i)
				output++;
		}else
		{
			if((av >= bestResult || av+1 >= bestResult) && av+1 <= i )
			{
				output++;
			}else if(av+2 >= bestResult && surprise > 0 && av+1 <= i )
			{
				output++;
				surprise--;
			}
		}
	}
}
