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;
    }
}


import java.io.*;
import java.util.*;
import java.util.regex.*;

public class jam02 {

	/**
	 * @param args
	 */
	
	public static void main1(){
	// scalar product problem
	}
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		int number_test;
		Scanner sc = new Scanner(System.in);
		number_test = sc.nextInt();
		for(int j=1;j<=number_test;j++) {
			int numOfGooglers = sc.nextInt();
			int numOfSurprises = sc.nextInt();
			int surPrisingNum = sc.nextInt();
			int[] googlers = new int[numOfGooglers];
			for(int i=0;i<numOfGooglers;i++)
			{
				googlers[i] = sc.nextInt();
			}
			System.out.print("Case #" + j + ": ");
			action(surPrisingNum,numOfSurprises,googlers);
//			System.out.println(sum);
		}
	}


	private static void action(int surPrisingNum, int numOfSurprises,
			int[] googlers) {
		// TODO Auto-generated method stub
		// Iterating over the elements in the set
		int finalGuys = 0;
		for(int i=0;i<googlers.length;i++)
		{
			if(googlers[i] >= (surPrisingNum*3)-2)
			{
				finalGuys++;
			}
			else if(numOfSurprises !=0 && googlers[i] !=0 && googlers[i] >= (surPrisingNum*3)-4)
			{
				finalGuys++;
				numOfSurprises--;
			}
		}
		System.out.println(finalGuys);
			
	}
}
