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 static java.util.Arrays.deepToString;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;
public class Solution {
	private static void debug(final Object...objs) {
		System.out.println(deepToString(objs));
	}

	private String solveCase() throws IOException {
		final int N = nextInt();
		int S = nextInt();
		final int p = nextInt();
		int res = 0;
		for (int i = 0; i < N; i++) {
			final int t = nextInt();
			final int avg = t / 3;
			if (avg >= p) {
				res++;
				continue;
			}
			if (avg + 2 < p) {
				continue;
			}
			final int mod = t % 3;
			if (mod == 0) {
				if (S > 0 && avg > 0 && avg + 1 == p) {
					res++; 
					S--;
				}
			}
			else if (mod == 1) {
				if (avg + 1 == p) res++;
			}
			else {
				if (avg + 1 == p) res++;
				else if (S > 0 && avg + 2 == p) {
					res++;
					S--;
				}
			}
		}
		return String.valueOf(res);
	}

	private void solve() throws IOException {
		final int T = nextInt();
		for (int test = 0; test < T; test++) {
			final String result = "Case #" + (test + 1) + ": " + solveCase();
			pw.println(result);
			System.out.println(result);
		}
	}

	private BufferedReader br;
	private PrintWriter pw;
	private StringTokenizer st;

	int nextInt() throws IOException {
		return Integer.parseInt(next());
	}

	String next() throws IOException {
		while (st == null || !st.hasMoreTokens()) {
			st = new StringTokenizer(br.readLine());
		}
		return st.nextToken();
	}

	public static void main(final String[] args) throws IOException {
		new Solution().run();
	}

	private void run() throws IOException {
		br = new BufferedReader(new FileReader("input.txt"));
		pw = new PrintWriter("output.txt");
		solve();
		br.close();
		pw.flush();
		pw.close();
	}
}