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 qualification;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;

public class DancingWithTheGooglers {
    static int T;
    static int[] result;

    public static void main(String[] args) throws IOException {
        read();
        write();
    }

    static void read() throws IOException {
        File input = new File("input.txt");
        Scanner scanner = new Scanner(input);
        T = scanner.nextInt();
        result = new int[T];
        for (int t=0; t<T; t++) {
            int N = scanner.nextInt();
            int S = scanner.nextInt();
            int p = scanner.nextInt();
            int r = 0;
            for (int i=0; i<N; i++) {
                int score = scanner.nextInt();
                if (score >= 3*p-2) {
                    r++;
                } else if ((score >= 3*p-4) && (S > 0) && (p >= 2)) {
                    r++;
                    S--;
                }
            }
            result[t] = r;
        }
    }

    static void write() throws IOException {
        File output = new File("output.txt");
        PrintWriter pw = new PrintWriter(output);

        for (int t=0; t<T; t++) {
            pw.println("Case #"+(t+1)+": "+result[t]);
        }

        pw.close();
    }

}
