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;

/**
 * 
 */

/**
 * @author antonio081014
 * @time: Apr 13, 2012, 5:01:31 PM
 */
public class Main {

    /**
     * @param args
     */
    public static void main(String[] args) throws Exception {
        Main main = new Main();
        main.run();
        System.exit(0);
    }

    public void run() throws Exception {
        BufferedReader br = new BufferedReader(new FileReader("input.in"));
        BufferedWriter out = new BufferedWriter(new FileWriter("output.out"));
        int T = Integer.parseInt(br.readLine());
        for (int t = 1; t <= T; t++) {
            out.write("Case #" + Integer.toString(t) + ": ");
            String[] str = br.readLine().split("\\s");
            int surprising = 0;
            int partial = 0;
            int sum = 0;
            int N = Integer.parseInt(str[0]);
            int S = Integer.parseInt(str[1]);
            int p = Integer.parseInt(str[2]);
            for (int i = 0; i < N; i++) {
                int a = Integer.parseInt(str[i + 3]);
                if ((a == 3 * p - 4 || a == 3 * p - 3) && p >= 2) {
                    surprising++;
                    sum++;
                }
                else if (a >= 3 * p - 2) {
                    sum++;
                    partial++;
                }
            }
            // System.out.println();
            // System.out.println(sum);
            // System.out.println(surprising);
            // System.out.println(partial);
            if (surprising >= S) {
                out.write(Integer.toString(sum + S - surprising));
                // System.out.println(sum + S - surprising);
            }
            else {
                // if (surprising + partial >= S) {
                out.write(Integer.toString(sum));
                // System.out.println(sum);
                // }
                // else {
                // // System.out.println(0);
                // out.write("0");
                // }
            }
            out.write("\n");
        }
        out.close();
    }
}