import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.io.Reader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;


public class Main 
{

public static HashMap<Character,Character> mapp = new HashMap<Character,Character>();

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;
		//ArrayList<Integer> google = new ArrayList<Integer>();
		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();
}

}