import java.io.*;
import java.math.*;
import java.util.*;
import java.text.*;

public class b {
    public static void main(String[] args) {
        Scanner sc = new Scanner(new BufferedInputStream(System.in));

        int T = sc.nextInt();

        for (int casenumber = 1; casenumber <= T; ++casenumber) {

            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();

            int[] ts = new int[n];
            for (int i = 0; i < n; ++i)
                ts[i] = sc.nextInt();

            int thresh1 = (p == 1 ? 1 : (3 * p - 4));
            int thresh2 = (3 * p - 2);

            int count1 = 0, count2 = 0;

            for (int i = 0; i < n; ++i) {
                if (ts[i] >= thresh2) {
                    ++count2;
                    continue;
                }
                if (ts[i] >= thresh1) {
                    ++count1;
                }
            }

            if (count1 > s) {
                count1 = s;
            }

            System.out.format("Case #%d: %d%n", casenumber, count1 + count2);
        }
    }
}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;


public class B {
	public static final String FILENAME = "B-small-0";
	public static void main(String[] args) throws IOException {
		BufferedReader in = new BufferedReader(new FileReader("src/"+FILENAME+".in"));
		BufferedWriter out = new BufferedWriter(new FileWriter("src/"+FILENAME+".out"));
		Scanner s = new Scanner(in);
		int T = s.nextInt();
		for(int i = 1; i <= T; i++) {
			int N = s.nextInt();
			int S = s.nextInt();
			int p = Math.min(10, s.nextInt());
			int ok = 0;
			int maybe = 0;
			for(int j = 0; j < N; j++) {
				int total = s.nextInt();
				if(total >= p + 2*Math.max(0, p-1)) {
					ok++;
				}
				else if(total >= p + 2*Math.max(0, p-2)) {
					maybe++;
				}
			}
			int ret = ok + Math.min(maybe, S);
			out.write("Case #"+i+": "+ret+"\n");
		}
		in.close();
		out.close();
	}
}
