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.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;

import com.google.common.collect.Lists;
import com.google.common.collect.Maps;

public class main {

	public static void main(String[] args) throws IOException{
		BufferedReader br  = new BufferedReader(new FileReader("B-large.in"));
		BufferedWriter bw = new BufferedWriter(new FileWriter("out.txt"));
		Pattern pat = Pattern.compile(" ");
		String firstLine = (br.readLine());
		Integer numLines = new Integer(firstLine);
		Integer i;
		
		for(i=1;i<=numLines;i++){
			Integer res=0;
			bw.write("Case #"+i+": ");
			String line = (br.readLine()).trim();
			String [] st= pat.split(line);
			List<Integer> scores = Lists.newArrayList();
			for(Integer j=3;j<st.length;j++){
				scores.add(new Integer(st[j]));
				
			}
			res=solve(new Integer(st[1]),new Integer(st[2]),scores);
			bw.write(res.toString());
			bw.newLine();
		}
		bw.close();
	}
	public static Integer solve(Integer numS,Integer p,List<Integer> scores){
		Integer res=0;
		for(Integer e:scores){
			Double aver= new Double(e)/3;
			Boolean r=false;
			if(aver>=p){
				res++;
			}else{
				Integer max=0;
				if(aver!=0.0){
				if(aver>=(Math.floor(aver)+0.25)){
					max= (int) (Math.floor(aver)+1);
					if(max>=p){
						res++;
						r=true;
					}					
				}
				if(numS!=0&&!r){
					if(aver>=(Math.floor(aver)+0.50)){
						max= (int) (Math.floor(aver)+2);				
					}else{
						max= (int) (Math.floor(aver)+1);					
					}
					if(max>=p){
						res++;
						numS--;
					}	
				}
				
				
			}	}		
		}
		
		return res;
	}
}