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;
    }
}


/**
 * Copyright 2012 Christopher Schmitz. All Rights Reserved.
 */

package com.isotopeent.codejam.lib.converters;

import com.isotopeent.codejam.lib.InputConverter;
import com.isotopeent.codejam.lib.Utils;

public class IntArrayLine implements InputConverter<int[]> {

	private int length;
	private int[] input;
	private int[] inputBuffer;

	/**
	 * fixed length arrays
	 */
	public IntArrayLine(int length) {
		this.length = length;
	}

	/**
	 * dynamic length arrays
	 */
	public IntArrayLine(int[] buffer) {
		inputBuffer = buffer;
	}

	@Override
	public boolean readLine(String data) {
		if (length > 0) {
			input = new int[length];
			input = Utils.convertToIntArray(data, length);
		} else {
			int count = Utils.convertToIntArray(data, inputBuffer);
			input = new int[count];
			System.arraycopy(inputBuffer, 0, input, 0, count);
		}
		return false;
	}

	@Override
	public int[] generateObject() {
		return input;
	}

}
