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.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;

public class Evans2012B {
	private final String _PROBLEM_NO = "201201B";
	private final String _FILE_DIRECTORY = "K:/Dropbox/workspace/codejam/" + _PROBLEM_NO + "/";
	private final String _FILE_PATH = _FILE_DIRECTORY + "B-Large";
	
	public static void main(String[] args) throws IOException {
		Locale.setDefault(Locale.US);
		new Evans2012B().execute();
	}

	public void execute() {
		BufferedReader br = null;
		PrintWriter pw = null;

		try {
			br = new BufferedReader(new FileReader(_FILE_PATH + ".in"));
			pw = new PrintWriter(_FILE_PATH + ".out");
			 
			//main
			int caseno = Integer.parseInt(br.readLine());
			
			for (int count = 1; count <= caseno; count++) {
				pw.print("Case #" + count + ": ");
				System.out.print("Case #" + count + ": ");
				
				String line = br.readLine();
				
					String[] splits = line.split(" ");
					int N = Integer.parseInt(splits[0]); 
					int S = Integer.parseInt(splits[1]); 
					int P = Integer.parseInt(splits[2]); 
					int r = 0;
					for(int j=0;j<N;j++) {
						int tt = Integer.parseInt(splits[3 +j]);
						if(tt==0) {
							if(P==0) 
								r++;
							continue;
						}
						int t = tt - P*3;
						if(t >= -2) {
							r++;
						}
						else if(S > 0 && ((t == -3) || (t == -4))) {
							r++;S--;
						}
					}
					pw.print(r);
					System.out.print(r);
				
				
				pw.print("\n");
				System.out.print("\n");
			}
			
			//end
	
	
			br.close();
			pw.close();
		
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		finally {
			try {
				if(pw != null) pw.close();
			} catch(Exception e) {}
			try {
				if(br != null) br.close();
			} catch(Exception e) {}
		}
	}

}
