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.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;


public class DancingGooglers {
	
	
	
	public DancingGooglers() {
		
		Integer maxInputs;
		String line;
		Integer output;
		Integer N, S, p;	
		try {
			BufferedReader read = new BufferedReader(new InputStreamReader(getClass().getResourceAsStream("input")));
			BufferedWriter write = new BufferedWriter(new FileWriter("output"));
			maxInputs = new Integer(read.readLine());
			for(int i = 1 ; i <= maxInputs ; i++)
			{
				int success = 0, surprise = 0;
				line = read.readLine();
				String[] numbers = line.split(" ");
				N = new Integer(numbers[0]);
				S = new Integer(numbers[1]);
				p = new Integer(numbers[2]);
				
				for( int j = 3; j < N+3; j++)
				{
					//Do calculations for each number
					Integer t = new Integer(numbers[j]);
					switch(check(t,p))
					{
					case 0:
						success++;
						break;
					case 1:
						if(surprise < S)
						{
							surprise++;
							success++;
						}
						break;
					}
				}
				
				output = new Integer(success);
				write.write("Case #"+i+": ");
				write.write(output.toString());
				write.write("\n");
			}
			write.close();
			
			
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		
		long startTime = System.nanoTime();
		new DancingGooglers();
		long endTime = System.nanoTime();;
		System.out.println("Took "+(endTime - startTime) + " ns");
	}
	
	int check(int t, int p)
	{
		if(p == 0)
			return 0;
		int minNorm = 3*p - 2;
		int minVal = 3*p - 4;
		if(minVal < 0)
			minVal = 1;
		if( t >= minNorm)
			return 0;
		if( t < minVal )
			return 2;
		return 1;
	}

}
