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);
		}
	}

}

/*
 * Gabriel Shaw
 * 4/13/12
 */
import java.io.File;
import java.io.PrintWriter;
import java.io.IOException;
import java.util.Scanner;
public class DancingWithTheGooglers 
{
    public static void main(String[] args) throws IOException
    {
        File file = new File("B-large.in");
        PrintWriter outfile = new PrintWriter("B-large.out");
        Scanner infile = new Scanner(file);
        int numberOfCases;
        int numberOfGooglers;
        int desiredScore;
        int numberOfSuprisingCases;
        int numberOfGoodScores;
        numberOfCases = infile.nextInt();
        infile.nextLine();
        
        for(int i=0 ; i<numberOfCases ; i++)
        {
            numberOfGooglers = infile.nextInt();
            numberOfSuprisingCases = infile.nextInt();
            desiredScore = infile.nextInt();
            numberOfGoodScores = 0;
            for(int j=0 ; j<numberOfGooglers ; j++)
            {
                int totalScore = infile.nextInt();
                if(desiredScore <= 1)
                {
                    if(desiredScore == 1)
                    {
                        if(totalScore - desiredScore >= 0)
                        {
                            numberOfGoodScores++;
                        }//end of if(totalScore - desiredScore >= 0)
                    }//end of if(desiredScore == 1)
                    if(desiredScore == 0)
                    {
                        if(totalScore >= 0)
                        {
                            numberOfGoodScores++;
                        }
                    }
                }
                if(!(desiredScore <= 1) && (totalScore - desiredScore - (desiredScore - 1) - (desiredScore - 1)) >= 0)
                {
                    numberOfGoodScores++;
                }else
                {
                    if(!(desiredScore <= 1) && (numberOfSuprisingCases > 0) && (totalScore -desiredScore - (desiredScore - 2) - (desiredScore - 2)) >= 0)
                    {
                        numberOfGoodScores++;
                        numberOfSuprisingCases--;
                    }//end of if((numberOfSuprisingCases > 0) && (totalScore -desiredScore - 2*(desiredScore - 2)) >= 0)
                }//end of else
            }//end of for(int j=0 ; j<numberOfGooglers ; j++)
            outfile.println("Case #" +(i+1) +": " +numberOfGoodScores);
            if(infile.hasNext())
            {
                infile.nextLine();
            }
        }//end of for(int i=0 ; i<numberOfCases ; i++)
        outfile.close();
    }//end of public static void main(String[] args) throws IOException
}//end of public class DancingWithTheGooglers 
