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 topcoder;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Scanner;
import java.util.StringTokenizer;

/**
 *
 * @author ahmet
 */
public class codeJam {
    
    
    public static void main(String[] args) throws FileNotFoundException, IOException
    {
        Scanner scan = new Scanner(System.in);
        
        
        int T = scan.nextInt();
        
        for(int i = 0; i < T; i++)
        {
            ArrayList<Integer> list = new ArrayList<Integer>();
            int howMany = scan.nextInt();
            int S = scan.nextInt();
            int p = scan.nextInt();
            
            for(int ii = 0; ii < howMany; ii++)
            {
                list.add(scan.nextInt());
            }
            Collections.sort(list);
            System.out.println("Case #" + (i + 1) + ": " + analiz(list, S, p));
        }  
    }
    
    public static String analiz( ArrayList <Integer> a, int S, int p)
    {
        int count = 0;
        for(int i = 0; i < a.size(); i++)
        {
            if(a.get(i)/3 >= p)
            {
                 a.set(i, -1);
                 count++;
            }
        }   
        for(int i = 0; i < a.size(); i++)
        {
            if(a.get(i) == -1)
            {
                 a.remove(i);
                 i=0;
            }
        }
        while(S >= 0 && a.size() > 0 && a.get(a.size() - 1 ) > 0)
        {
            if(a.get(a.size() - 1 )%3 == 0 )
            {
                if(a.get(a.size() - 1)/3 + 1 >= p && S != 0)
                {
                    count++;
                    S--;
                }
                else
                    break;
            }
            else if(a.get(a.size() - 1 ) % 3 == 1)
            {
                if(a.get(a.size() - 1)/3 + 1 >= p)
                {
                    count++;
                }
                else
                    break;

            }
            else if(a.get(a.size() - 1 ) % 3 == 2)
            {
                if(a.get(a.size() - 1) /3 + 1 >= p)
                {
                    count++;
                }      
                else if(a.get(a.size() - 1)/3 + 2 >= p && S != 0)
                {
                    count++;
                    S--;
                }
                else
                    break;
            }     
            a.remove(a.size() - 1 );            
        }
        
        return "" + count;
    }
    
}
