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.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;


public class Q2 {

	public static void main (String[] args)
	{
		Scanner s = new Scanner(System.in);
		
		int numTests = s.nextInt();
		for (int test = 0; test < numTests; test++)
		{
			int googlers = s.nextInt();
			int surprises = s.nextInt();
			int threshold = s.nextInt();
			List<Integer> scores = new ArrayList<Integer>(googlers);
			for (int i = 0; i < googlers; i++)
			{
				scores.add(s.nextInt());
			}
			Collections.sort(scores);
			Collections.reverse(scores);
			
			int numAboveThreshold = 0;
			for (int i = 0; i < googlers; i++)
			{
				int score = scores.get(i);
				if (score >= 29)
				{
					//cannot possibly be surprise (10/10/9)
					numAboveThreshold ++;
					continue;
				}
				if (score < threshold)
				{
					//no way we get there
					continue;
				}
				if (3 * threshold - 2 <= score)
				{
					//no need to use a surprise
					numAboveThreshold ++;
					continue;
				}
				if (3 * threshold - 4 <= score && surprises > 0)
				{
					numAboveThreshold ++;
					surprises --;
					continue;
				}
			}
			
			System.out.println("Case #" + (test+1) + ": " + numAboveThreshold);
		}
	}
	
}
