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.util.Scanner;

public class b {
	public static void main(String[] args){

		Scanner in = new Scanner(System.in);
		int numOfLines = new Integer(in.nextLine());
		for (int i= 1; i<=numOfLines; i++){
			String [] lineValues = in.nextLine().split(" ");
			int numberOfPlayers = new Integer(lineValues[0]);
			int numberOfSupers = new Integer(lineValues[1]);
			int bestResul = new Integer(lineValues[2]);
			int bestResulMin1 = bestResul-1>0 ? bestResul-1 : 0;
			int bestResulMin2 = bestResul-2>0 ? bestResul-2 : 0;
			int res = 0;
			//System.out.println("number of players: "+numberOfPlayers);
			for (int j =3; j<numberOfPlayers+3;j++)
			{
				//System.out.println("j="+j);
				Integer puntuations= new Integer(lineValues[j]);
				if(puntuations>= bestResul+2*(bestResulMin1))
				{
					res++;
					continue;
				}else if (numberOfSupers>0)
				{
					if (puntuations>= bestResul+2*(bestResulMin2))
					{
						res++;
						numberOfSupers--;
						continue;
					}
				}
			}		
		System.out.format("Case #%d: %d\n", i, res);
		}
		return;
	}
}