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

public class Main {

	public static void main(String[] args) throws Exception {
		Scanner s = new Scanner(new File("input"));
		BufferedWriter w = new BufferedWriter(new FileWriter(new File("output")));
		int cases = s.nextInt();
		for (int i = 0; i < cases; i++) {
			s.nextLine();
			int n = s.nextInt();
			int surprising = s.nextInt();
			int target = s.nextInt();


			int answer = 0;
			if (target == 0) {
				answer = n;
			} else {
				int lowestBound = target * 3 - 4;
				ArrayList<Integer> l = new ArrayList<Integer>();

				for (int j = 0; j < n; j++) {
					int si = s.nextInt();
					if (si >= lowestBound && si >= target) {
						l.add(si);
					}
				}

				Collections.sort(l);
				Collections.reverse(l);

				for (int si : l) {
					int roundedAverage = si / 3;
					int mod = si % 3;
					if (mod == 0) {
						if (roundedAverage >= target) {
							answer++;
						} else if (roundedAverage + 1 == target && surprising > 0) {
							answer++;
							if (--surprising == 0) {
								break;
							}
						}
					} else if (mod == 1) {
						answer++;
					} else {
						if (roundedAverage + 1 >= target) {
							answer++;
						} else if (roundedAverage + 2 >= target && surprising > 0) {
							answer++;
							if (--surprising == 0) {
								break;
							}
						}
					}
				}
			}

			w.write("Case #");
			w.write(String.valueOf(i + 1));
			w.write(": ");

			w.write(String.valueOf(answer));

			w.write("\n");
		}
		w.close();
	}

}
