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.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;


public class Main {
	
	public static void main(String[] args) throws Exception
	{
		PrintWriter writer = new PrintWriter(new FileWriter("output.txt"));
		BufferedReader input = new BufferedReader(new FileReader("B-small-attempt0.in"));
		int size=Integer.parseInt(input.readLine());
		for(int i=0; i<size; i++)
		{
			String testCase = input.readLine();
			String tokens[] = testCase.split(" ");
			int N = Integer.parseInt(tokens[0]);
			int S = Integer.parseInt(tokens[1]);
			int p = Integer.parseInt(tokens[2]);
			int count=0;
			for(int j=3; j<N+3; j++)
			{
				int testNum = Integer.parseInt(tokens[j]);
				if((testNum - p) >= 2*(p-1) && (testNum-p)>=0)
				{
					count++;
				}
				else if((testNum - p) < 2*(p-1) && (testNum-p)>=0)
				{
					if(S!=0 && (testNum - p) >= 2*(p-2) )
					{
						count++;
						S--;
					}
				}
			}
			writer.println("Case #"+(i+1)+": "+count);
			
		}
		writer.close();
		input.close();
	}

}
