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.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;


public class gcjq1 {

	public static void main(String[] args) {
	       
		try{
			FileInputStream ifstream = new FileInputStream("files/B-large.in");
			DataInputStream in = new DataInputStream(ifstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			
			FileOutputStream ofstream = new FileOutputStream("files/output");
			DataOutputStream out = new DataOutputStream(ofstream);
			BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(out));
			
			int numCases = Integer.parseInt(br.readLine());
			
			for(int i=0; i<numCases; i++){
				bw.write("Case #" + Integer.toString(i+1) + ": " + compute(br.readLine()) + "\n");
				bw.flush();
			}
			
			in.close();
			out.close();
			
		}catch (Exception e){
			System.err.println("Error: " + e.getMessage());
			e.printStackTrace();
		}
	}           
    
    public static String compute(String in){
        String[] parms = in.split(" ");
        
        int N = Integer.parseInt(parms[0]);
        int s = Integer.parseInt(parms[1]);
        int p = Integer.parseInt(parms[2]);
        int []t = new int[N];
        
        for(int i=0; i<N; i++){
        	t[i] = Integer.parseInt(parms[i+3]);
        }
        
        int c = 0;
        
        for(int i=0; i<N; i++){
          	int n = p+(2*(p-1));
          	
          	if(t[i] >= n){
        		c++;        	
        	}
        	else {
        		n = p+(2*(p-2));
           		if(t[i] >= n && t[i] > 0 && s>0){
        			c++;
        			s--;
        		}
        	}
        }
        
        return Integer.toString(c);
    }
}

