import java.util.*;

public class B {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int T = sc.nextInt();
        B th = new B();
        for (int i = 0; i < T; i++) {
            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();
            int[] t = new int[n];
            for (int j = 0; j < n; j++) {
                t[j] = sc.nextInt();
            }
            int c = th.getAnswer(s,p,t);
            System.out.println("Case #" + (i+1) + ": " + c);
        }
    }
    public int getAnswer(int s, int p, int[] t) {
        int A1 = p + p-1+p-1;
        int A2 = p + p-2+p-2;
        if (A1 < 0)
            A1 = 0;
        if (A2 < 0)
            A2 = 1;
        int remain = s;
        int count = 0;
        int n = t.length;
        for (int i = 0; i < n; i++) {
            if (t[i] >= A1) {
                count++;
            } else if (t[i] < A1 && t[i] >= A2) {
                if (remain > 0) {
                    remain--;
                    count++;
                }
            }
        }
        return count;
    }
}


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

/**
 *
 * @author Ewka
 */
public class Dancing {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        FileReader fr=null;
        PrintWriter fw=null;
        BufferedReader br;
        int noOfLines=0;  
        int noOfGooglers=0;
        int noOfSurprising=0;
        int noOfOut=0;
        int p=0;
        int noOfUsedSurp=0;
        
        String[] temp;
        
        try
        {
            fw = new PrintWriter ("outputDancingPro.txt");
        }
        catch(Exception e)
        {
            System.out.print("nie udalo sie");
        }
        
        try
        {
            fr = new FileReader("B-large.txt");            
        }
        catch(FileNotFoundException e)
        {
               System.out.println(e.getMessage());
        }
        br = new BufferedReader(fr);
        String s;
        try{
                s=br.readLine();            
                noOfLines = Integer.parseInt(s);           
                for (int i=0;i<noOfLines;i++)
                {        
                     System.out.print("Case #"+(i+1)+": ");
                     fw.print("Case #"+(i+1)+": ");
                     noOfOut = 0;
                     noOfUsedSurp=0;
                     s=br.readLine();
                     temp = s.split(" ");
                     noOfGooglers = Integer.parseInt(temp[0]);
                     int[] Scores = new int[noOfGooglers];
                     noOfSurprising = Integer.parseInt(temp[1]);
                     p = Integer.parseInt(temp[2]);
                     for (int j=0;j<noOfGooglers;j++)
                     {
                         Scores[j] = Integer.parseInt(temp[j+3]);
                     }
                     
                     Arrays.sort(Scores);
                     for (int j=noOfGooglers-1;j>=0;j--)
                     {
                        if (p==0)
                        {
                            noOfOut=noOfGooglers;
                            break;
                        }
                        else if (Scores[j] == 0)
                            continue;
                        if (Scores[j]/3 >= p)
                        {
                                noOfOut++;
                        }
                        else if (Scores[j] >= (p+(p-2)+(p-2)))
                        {
                              if ((p+(p-1)+(p-1) == Scores[j]) ||  (p+(p)+(p-1) == Scores[j]))
                              {
                                  noOfOut++;
                              }
                              else if (noOfUsedSurp < noOfSurprising)
                              {
                                  if ((p+(p-2)+(p-2) == Scores[j]) ||  (p+(p-2)+(p-1) == Scores[j]))
                                  {
                                        noOfOut++;
                                        noOfUsedSurp++;
                                  }
                              }
                        }
                        else
                        {
                            break;
                        }
                     }
                     System.out.println(noOfOut);
                     fw.print(noOfOut);
                     fw.println();
                     
                }
                fr.close();
                fw.close();
        }
        catch(Exception e)
        {
            
        }
            
    }
}
