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.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);
		}
	}
}
