/**
 * 
 */
package pandit.codejam;

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.Scanner;

/**
 * @author Manu Ram Pandit
 * 
 */
public class DancingWithGooglersUpload {

	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {
		FileInputStream fStream = new FileInputStream(
				"input.txt");

		Scanner scanner = new Scanner(new BufferedInputStream(fStream));
		Writer out = new OutputStreamWriter(new FileOutputStream("output.txt"));

		int T = scanner.nextInt();
		int N,S,P,ti;
		int counter = 0;
		for (int count = 1; count <= T; count++) {
			N=scanner.nextInt();
			S = scanner.nextInt();
			counter = 0;
			P = scanner.nextInt();
			for(int i=1;i<=N;i++){
				ti=scanner.nextInt();
				if(ti>=(3*P-2)){
					counter++;
					continue;
				}
				else if(S>0){
					if(P>=2 && ((ti==(3*P-3)) ||(ti==(3*P-4)))) {
					S--;
					counter++;
					continue;
					}
				}
				
			}
			// System.out.println("Case #" + count + ": " + counter);
			out.write("Case #" + count + ": " + counter + "\n");
		}
		fStream.close();
		out.close();

	}

}

import java.util.*;

import static java.lang.Math.*;

public class B {
	public static void main(String[] args){
		
		Scanner in = new Scanner(System.in);
		int T = in.nextInt();	
		for(int a = 1; a <= T;a++){ //caso de prueba
			in.nextLine();
			int N = in.nextInt();
			int S = in.nextInt();
			int pInt = in.nextInt();
			double p = (double) pInt;
			int scores[] = new int[N];
			int scoresaux[] = new int[N];
			int result = 0;						
			for(int b = 0; b < N;b++)
				scoresaux[b] = in.nextInt();
			Arrays.sort(scoresaux);
			for(int b = 0, c=N-1; b < N;b++, c--)
				scores[b] = scoresaux[c];
			for ( int b = 0; b < N;b++ ) 
			{
				double score = (double)scores[b];
				double aux = score/3;
				if(score/3 > (p-1.0) ) //Tiene mayor nota seguro
					result++;
				else 
					if(  score/3 <= 0.0 || score/3 < (p -1.5) ) 
						break;
					else 
						{
						if (S>0) { result++; S--;}
						else break;
						}
			}
			System.out.format("Case #%d: %d\n", a, result);
		}
	}
}
