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.File;
import java.io.FileWriter;
import java.util.Scanner;


public class Dancing {

	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(new File("./src/B-large.txt"));
		FileWriter fw = new FileWriter("./src/output-large.txt");
		int total = sc.nextInt();
		for(int turn = 1; turn <= total; turn++) {
			int res = 0;
			int pos = 0;
			int N = sc.nextInt(), S = sc.nextInt(), p = sc.nextInt();
//				fw.write(N + " " + S + " " + p + "\n");
			for(int i = 0; i < N; i++) {
				int next = sc.nextInt();
//				fw.write(next + " " + (3*p-2) + "\n");
				if (next >= (3*p-2)) {res++;}
				else
					if ((p>=2) && (next >= 3*p-4)) {pos++;}
			}
			if (pos < S){res = res+pos;}
			else {res = res + S;}
			
			fw.write("Case #" + turn + ": " + res + "\n");
		}
		fw.flush();
		fw.close();
	}
}
