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.*;
public class googleJam2 {

	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception {
		// TODO Auto-generated method stub
		BufferedReader reader = null;
		PrintWriter writer = null;
		try{
			reader = new BufferedReader(new FileReader("B-large.in"));
			int numInputs = Integer.parseInt(reader.readLine());
			writer = new PrintWriter(new BufferedWriter(new FileWriter("B-large.out")));
			for(int i = 0; i < numInputs; i++)
			{
				System.out.println(i);
				String temp = reader.readLine();
				System.out.println(temp);
				int index = temp.indexOf(" ");
				int numGooglers = Integer.parseInt(temp.substring(0, index));
				temp = temp.substring(index+1);
				index = temp.indexOf(" ");
				System.out.println(temp);
				int numSurprising = Integer.parseInt(temp.substring(0,index));
				temp = temp.substring(index+1);
				index = temp.indexOf(" ");
				int p = Integer.parseInt(temp.substring(0,index));
				temp = temp.substring(index+1);
				int withoutSurprise = 0;
				int withSurprise = 0;
				for(int k = 0; k < numGooglers-1; k++)
				{
					index = temp.indexOf(" ");
					int totalScore = Integer.parseInt(temp.substring(0, index));
					temp = temp.substring(index+1);
					if(totalScore >= 3*p -2)
						withoutSurprise++;
					else if(totalScore >= 3*p-4 && totalScore >= p)
						withSurprise++;
				}
				int totalScore = Integer.parseInt(temp);
				if(totalScore >= 3*p -2)
					withoutSurprise++;
				else if(totalScore >= 3*p-4 &&totalScore >= p)
					withSurprise++;
				int numWinners;
				if(withSurprise >= numSurprising)
					numWinners = numSurprising + withoutSurprise;
				else
					numWinners = withSurprise + withoutSurprise;
				writer.print("Case #" + (i+1) + ": " + numWinners + "\n");
				
				
			}
			writer.close();
		}
		catch(Exception e)
		{
			throw(e);
		}
	}

}
