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 asem.googe.codejam.qround;

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * @author A.Alathwari
 * 
 * Problem C : 
 *
 */
public class ProblemC implements Runnable {
	
	asem.core.util.InputReader fin;
	java.io.PrintWriter fout;

	/**
	 * @param fin
	 * @param fout
	 */
	public ProblemC(asem.core.util.InputReader fin, PrintWriter fout) {
		this.fin = fin;
		this.fout = fout;
	}
	
	/**
	 * @param fin
	 * @param fout
	 * @throws IOException 
	 * @throws FileNotFoundException 
	 */
	public ProblemC(String fin, String fout) throws FileNotFoundException, IOException {
		this.fin  = new asem.core.util.InputReader(new FileReader(fin));
		this.fout = new PrintWriter(System.out);
	}

	/* (non-Javadoc)
	 * @see java.lang.Runnable#run()
	 */
	@Override
	public void run() {
		// TODO Auto-generated method stub
		try {
			
			for (int tNum = 1, inT = fin.readInt(); tNum <= inT; tNum++) {
				
				System.out.println("Case #" + tNum + ": " + "");
			}

		} catch (NumberFormatException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}