package util.graph;

import java.util.HashSet;
import java.util.PriorityQueue;
import java.util.Set;

public class DynDjikstra {
    public static State FindShortest(Node start, Node target) {
        PriorityQueue<Node> openSet = new PriorityQueue<>();
        Set<Node> closedSet = new HashSet<>();
        openSet.add(start);
        while (!openSet.isEmpty()) {
            Node current = openSet.poll();
            for (Edge edge : current.edges) {
                Node end = edge.target;
                if (closedSet.contains(end)) {
                    continue;
                }
                State newState = edge.travel(current.last);
                //if (end.equals(target)) {
                    //return newState;
                //}
                if (openSet.contains(end)) {
                    if (end.last.compareTo(newState)>0) {
                        end.last = newState;
                    }
                } else {
                    openSet.add(end);
                    end.last = newState;
                }
            }
            closedSet.add(current);
            if (closedSet.contains(target)) {
                return target.last;
            }
        }

        return target.last;
    }
}

import java.util.*;
import java.io.*;

public class Dancing {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int cases = in.nextInt();

		for (int i = 1; i<=cases; i++) {
			int n = in.nextInt(); // number of googlers
			int s = in.nextInt(); // number of surprising triplets
			int p = in.nextInt(); // ??
			
			int[] points = new int[n];
			for (int j = 0; j<n; j++)
				points[j] = in.nextInt();

			// lowest possible unsurprising triplet:
			// p, p-1, p-1

			// lowest possible surprising triplet:
			// p, p-2, p-2

			int answer = 0;
			int possible = 0;
			int lowUn = lowestUnsurprising(p);
			int lowSu = lowestSurprising(p);
			for (int j = 0; j<n; j++) {
				if (points[j] >= lowUn) answer++;
				else if (points[j] >= lowSu) possible++;
			}

			answer += Math.min(possible, s);
			System.out.println("Case #"+i+": "+answer);
		}
	}

	public static int lowestUnsurprising(int p) {
		return p + (Math.max(p-1, 0))*2;
	}

	public static int lowestSurprising(int p) {
		return p + (Math.max(p-2, 0))*2;
	}
}
