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;
    }
}


package main;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class TestClass {

	public static void main (String[] args) throws IOException, InterruptedException {
		BufferedReader reader = new BufferedReader(new FileReader("C:\\in.txt"));
		BufferedWriter writer = new BufferedWriter(new FileWriter("C:\\out.txt"));
		MyTest myTest = new MyTest();
		myTest.getTranslation();

		int caseNum = Integer.parseInt(reader.readLine());
		for(int i=0; i<caseNum; i++) {
			String line = reader.readLine();
			String[] numbers = line.split(" ");
			List<Integer> points = new ArrayList<Integer>();

			int N = Integer.parseInt(numbers[0]);
			int S = Integer.parseInt(numbers[1]);
			int p = Integer.parseInt(numbers[2]);

			for(int j=0; j<N; j++) {
				points.add(Integer.parseInt(numbers[3+j]));
			}

			writer.write("Case #" + (i+1) + ": " + myTest.getNumOfGoogler(S, p, points) + "\n");
			points.clear();

			writer.flush();
		}
	}
}
