import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;


public class GooglersDancer {

	/**
	 * @param args
	 * @throws IOException
	 */
	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		InputStreamReader converter = new InputStreamReader(System.in);
		BufferedReader in = new BufferedReader(converter);
		if (in == null) {
		      return;
		    }
		String numTest = in.readLine();
		int maxCases = Integer.valueOf(numTest);
		for(int i=1;i<= maxCases;i++){
			String linea = in.readLine();
			String[] datos = linea.split(" ");
			Integer googlers = Integer.valueOf(datos[0]);
			Integer sospechosos = Integer.valueOf(datos[1]);
			Integer p = Integer.valueOf(datos[2]);
			Integer puntuacion;
			Integer personas = 0;
			ArrayList<Integer> puntuaciones = new ArrayList<Integer>();
			for(int j=0;j<googlers;j++){
				puntuacion = Integer.valueOf(datos[3+j]);
				puntuaciones.add(puntuacion);
			}
			Integer[] pOrdenado = null;
			pOrdenado = (Integer[]) puntuaciones.toArray(new Integer[puntuaciones.size()]);
			Arrays.sort(pOrdenado);
			int j;
			for(j=pOrdenado.length-1;j>=0;j--){
				if(pOrdenado[j] >= p*3-2){
					personas += 1;
				}else{
					break;
				}
			}
			int posibles = j+1-sospechosos;
			for(;j>=posibles && j>= 0;j--){
				if(pOrdenado[j] >= p*3-4 && pOrdenado[j] > p){
					personas += 1;
				}else{
					break;
				}
			}
			System.out.println("Case #"+i+": "+personas);
		}
	}

}

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;


public class Prob2 {

	public static void main(String[] args) throws NumberFormatException, IOException {
		String filePath = "C://Users//Apoorv//Downloads//B-large.in";
//		String filePath = "C://Users//Apoorv//Desktop//test1.txt";
		BufferedReader br2 = new BufferedReader(new InputStreamReader(
				new DataInputStream(new FileInputStream(filePath))));

		String str = null;
		long count = 0;
		Integer numCases = 0;
		numCases = Integer.parseInt(br2.readLine());
		for (int curCase = 0; curCase < numCases; curCase++) {
			System.out.print("Case #" + (curCase + 1) + ": ");
			Integer answer=0;
			str = br2.readLine();
			String[] tokens = str.split(" ");
			int numGoogle = Integer.parseInt(tokens[0]);
			int numCrazy =  Integer.parseInt(tokens[1]);
			int minScore =  Integer.parseInt(tokens[2]);
			int usedCrazy =0;
			for (int curTotal=0;curTotal<numGoogle;curTotal++){
				int curScore = Integer.parseInt(tokens[3+curTotal]);
				double avgValue = (double)curScore/3.0;
				if(avgValue >= minScore)
					answer++;
				else if(avgValue > (minScore -1))
					answer++;
				else if(usedCrazy < numCrazy && curScore>= minScore && curScore > (3*minScore-5)){
					answer++;
					usedCrazy++;
				}
			}
			System.out.println(answer);
		}
	}
}
