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);
		}
	}

}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
import java.io.*;
import java.util.*;

/**
 *
 * @author Tareq:
 * I want to dance with a googler too! ;(
 */
public class Dance {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        String line;
        StringTokenizer st;
        int T;
        int N,S,p;
        try{
            BufferedReader reader = new BufferedReader(new FileReader("B-large.in"));
            PrintWriter pw = new PrintWriter(new FileOutputStream("Dance-large.out"));
            T = Integer.parseInt(reader.readLine());
            for(int k=1;k<=T;k++)
            {
                int numOfBest =0;
                int minScore;
                line = reader.readLine();
                st = new StringTokenizer(line);
                N = Integer.parseInt(st.nextToken());
                S = Integer.parseInt(st.nextToken());
                p = Integer.parseInt(st.nextToken());
                minScore = p*3;
                for(int i=0;i<N;i++)
                {
                    int tscore = Integer.parseInt(st.nextToken());

                        if(tscore>=minScore-2)
                            numOfBest++;
                        else if(tscore>=minScore-4)
                            if(S>0 && p>1)
                            {   numOfBest++;
                                S--;
                            }
                }
                pw.println("Case #"+k+": "+numOfBest);
            }
            
            pw.close();
        }catch(Exception e){System.out.println("hmm"+e);}            
    }
}
