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.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintStream;


public class round1 {

	/**
	 * @param args
	 */
	
	
	
	
	static BufferedReader openRead(String fileName){
		 BufferedReader in = null;
		try {
			in = new BufferedReader(new FileReader(fileName));
		} catch (FileNotFoundException e) {
			System.err.println("Error Opening the input file");
			e.printStackTrace();
		}
		 return in;
	}
	
	
	static void processLine( String line ,  int k, PrintStream ps){
		ps.format("Case #%d: ", k);
		String[] lineItems = line.split(" ");
		int N = Integer.parseInt(lineItems[0]);
		int S = Integer.parseInt(lineItems[1]);
		int p = Integer.parseInt(lineItems[2]);
		int c = 3;
		int n = 0;
		for (int i = 0; i < N; i++){
			
			int pi = Integer.parseInt(lineItems[c++]);
			if (pi >= 3*p)
				n++;
			else if (pi >= 3*p -1)
				n++;
			else if (pi >= 3*p -2)
				n++;
			else if (pi >= 3*p - 4 && (3*p - 4)>=0 && S > 0){
				S--;
				n++;
			}
		}
	  ps.format("%d\n", n);	
		
	}
	
	public static void main(String[] args) throws IOException {
		if (args.length < 1){
			System.err.println("not suffucient args");
			System.exit(-1);
		}
		BufferedReader in = openRead(args[0]);
		PrintStream ps = new PrintStream(new File(args[1]));
		// read size
		int T = 0;
		String TStr = in.readLine();
		T = Integer.parseInt(TStr);
		if ( T < 1 || T > 100)
			System.exit(-1);
		
		
		// read contents
		String line;
		for (int i = 0; i < T  && (line = in.readLine())!= null; i++){
			processLine( line, i+1, ps);
		}
		
			
			
			
			
			
		System.out.println("Done!");

	}

}
