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.*;
import java.util.*;
 
public class test {

    public static void main(String[] args) throws IOException {
 
        // Location of file to read

	functions aa = new functions();
        File file = new File("input.txt");
	Writer output = new BufferedWriter(new FileWriter("output.txt"));
	int i = 1;
	int answer = 0;
	String A = "";
	String B = "";
	int j = 0;
	int n = 0;
	int N = 0;
	int[] numbers = new int[101];
	int l = 0,p = 0,s=0,k=0;;
        try {
 
            Scanner scanner = new Scanner(file);
 	    N = Integer.parseInt((String)scanner.nextLine());
 	    
            while (scanner.hasNextLine()) {
            	A = "";
            	B = "";
		j = 0;
		l = 0;
		p = 0;
		s = 0;
		n = 0;

                String line = scanner.nextLine();
	        while(line.charAt(j) != ' '){
			A = A + line.charAt(j);
			j++;
	        }
	        n = Integer.parseInt(A);
	        j++;
	        A = "";
                for(k = 1; k <= n+1;k++){
		        while(line.charAt(j) != ' '){
				A = A + line.charAt(j);
				j++;
		        }
		        if(k == 1) s = Integer.parseInt(A);
		        else if(k == 2) p = Integer.parseInt(A);
		        else numbers[l++] = Integer.parseInt(A);
                j++;
                A = "";
                }
                while(j < line.length()){
			B = B + line.charAt(j);
			j++;
                }
                numbers[l++] = Integer.parseInt(B);
		
		answer = aa.solve(numbers,p,s,n);

		if(i < N)
			output.write("Case #" + i +": "+ answer +"\n");
		else
			output.write("Case #" + i +": "+ answer);

		i++;
            }
            scanner.close();
            output.close();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
       }
      }
