import java.io.*;
import java.math.*;
import java.util.*;
import java.text.*;

public class b {
    public static void main(String[] args) {
        Scanner sc = new Scanner(new BufferedInputStream(System.in));

        int T = sc.nextInt();

        for (int casenumber = 1; casenumber <= T; ++casenumber) {

            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();

            int[] ts = new int[n];
            for (int i = 0; i < n; ++i)
                ts[i] = sc.nextInt();

            int thresh1 = (p == 1 ? 1 : (3 * p - 4));
            int thresh2 = (3 * p - 2);

            int count1 = 0, count2 = 0;

            for (int i = 0; i < n; ++i) {
                if (ts[i] >= thresh2) {
                    ++count2;
                    continue;
                }
                if (ts[i] >= thresh1) {
                    ++count1;
                }
            }

            if (count1 > s) {
                count1 = s;
            }

            System.out.format("Case #%d: %d%n", casenumber, count1 + count2);
        }
    }
}

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Round {
	private int num;
	private int strange;
	private int max;
	private List<Integer> dancers;
	private int best;
	
	public Round(Scanner data){
		best = 0;
		dancers = new ArrayList<Integer>();
		num = data.nextInt();
		strange = data.nextInt();
		max = data.nextInt();
		for(int i = 0; i < num; i++){
			dancers.add(data.nextInt());
		}
	}
	
	public int calculate(){
		for(int dancer: dancers){
			if(max * 3 <= dancer){
				best++;
			}else if(dancer >= max){
				int score1 = max;
				int temp = dancer - max;
				int score2 = temp / 2;
				if(score1 - score2 == 1){
					best++;
				}else if(score1 - score2 == 2 && strange > 0){
					best++;
					strange--;
				}
			}
		}
		return best;
	}
}
