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 mgg.utils;

import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;

/**
 * @author manolo
 * @date 13/04/12
 */
public class StringUtils {

	public static List<Integer> stringWithIntegersToList(String str, int numItems, String delim){

		ArrayList<Integer> list = new ArrayList<Integer>();
		StringTokenizer tokenizer = new StringTokenizer(str, delim);
		if (tokenizer.countTokens() != numItems){
			throw new RuntimeException("EXCEPTION: The string \"" + str 
					+ "\" has more tokens (" + tokenizer.countTokens()
					+ ") than you said (" + numItems + ")");
		}
		for	(int i = 0; i < numItems; i++) {
			list.add(Integer.parseInt(tokenizer.nextToken()));
		}

		return list;
	}
	
	public static List<Integer> stringWithIntegersToList(String str, String delim){

		ArrayList<Integer> list = new ArrayList<Integer>();
		StringTokenizer tokenizer = new StringTokenizer(str, delim);
		int numOfTokens = tokenizer.countTokens();
		for	(int i = 0; i < numOfTokens; i++) {
			list.add(Integer.parseInt(tokenizer.nextToken()));
		}

		return list;
	}

	public static List<String> stringWithStringsToList(String str, int numItems, String delim){

		ArrayList<String> list = new ArrayList<String>();
		StringTokenizer tokenizer = new StringTokenizer(str, delim);
		if (tokenizer.countTokens() != numItems){
			throw new RuntimeException("EXCEPTION: The string \"" + str 
					+ "\" has more tokens (" + tokenizer.countTokens()
					+ ") than you said (" + numItems + ")");
		}
		for	(int i = 0; i < numItems; i++) {
			list.add(tokenizer.nextToken());
		}

		return list;
	}
	
	public static List<String> stringWithStringsToList(String str, String delim){

		//System.out.println("String: " + str);
		
		ArrayList<String> list = new ArrayList<String>();
		StringTokenizer tokenizer = new StringTokenizer(str, delim);
		
		//System.out.println("tokenizer.countTokens() = " + tokenizer.countTokens());
		
		int numOfTokens = tokenizer.countTokens();
		for	(int i = 0; i < numOfTokens; i++) {
			list.add(tokenizer.nextToken());
		}

		return list;
	}

	public static List<Character> allCharactersToList(String str) {
		
		System.out.println("String: " + str);
		
		ArrayList<Character> list = new ArrayList<Character>();
		
		for	(int i = 0; i < str.length(); i++) {
			list.add(str.charAt(i));
		}

		System.out.println("List of characters: " + list);
		
		return list;
	}
}
