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

public class B {

	public static void main(String[] args) {
		String line;
		String filename1 = "B-large.in";
		String filename2 = "B-large.out";
		BufferedReader input;
		BufferedWriter output;
		int counter = 0;
		try {
			input = new BufferedReader(new FileReader(filename1));
			output = new BufferedWriter(new FileWriter(filename2));
			while ((line = input.readLine()) != null) {
				if (counter == 0) {
				} else {
					String[] arrayS = line.split("\\s");
					int N = Integer.parseInt(arrayS[0]);
					int surprises = Integer.parseInt(arrayS[1]);
					int passingPoint = Integer.parseInt(arrayS[2]);
					int reducedPass = passingPoint - 1;
					int success = 0;
					boolean permazas = false;
					for (int i = 3; i < arrayS.length; i++) {
						if (reducedPass - 1 < 0) {
							reducedPass = 0;
							permazas = true;
						}
						int temp = (Integer.parseInt(arrayS[i]) - passingPoint) - (reducedPass * 2);
						//						System.out.println(temp);
						if (temp < 0 && surprises > 0) {
							if (temp + 2 >= 0 && !permazas) {
								surprises--;
								success++;
							}
						}
						if (temp >= 0) {
							success++;
						}
					}
					output.write("Case #" + counter + ": " + success + "\n");
//					System.out.println("result:" + success);
				}
				counter++;
			}
			input.close();
			output.close();
		} catch (IOException e1) {
			System.exit(1);
		}
	}
}
