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.InputStreamReader;

class DWtG {
    public static BufferedReader br = null;
    public static int numCases;
    public static int numDancers;
    public static int numSurprises;
    public static int p; // p is given by the problem as the "best score"
    public static String[] input;

    public static void main(String[] args) {
        try {
            br = new BufferedReader(new InputStreamReader(System.in));

            numCases = Integer.parseInt(br.readLine().trim());

            for(int i = 0; i < numCases; i++) {
                input = br.readLine().split(" ");
                numDancers = Integer.parseInt(input[0]);
                numSurprises = Integer.parseInt(input[1]);
                p = Integer.parseInt(input[2]);
                int maxDancers = 0;

                for(int j = 3; j < input.length; j++) {
                    if(maxReg(Integer.parseInt(input[j])) >= p)
                        maxDancers++;
                    else if(numSurprises > 0 && maxSpecial(Integer.parseInt(input[j])) >= p) {
                        maxDancers++;
                        numSurprises--;
                    }
                }
                System.out.println("Case #" + (i+1) + ": " + maxDancers);
            }
        }
        catch(Exception e) {
            e.getMessage();
            e.printStackTrace();
        }
    }

    public static int maxReg(int n) {
        if(n == 0)
            return 0;
        else if(n == 1)
            return 1;
        else if(n == 2)
            return 1;
        else if(n % 3 == 0)
            return (n / 3);
        else if(n % 3 == 1)
            return (n / 3) + 1;
        else if(n % 3 == 2)
            return (n / 3) + 1;
        return -1;
    }

    public static int maxSpecial(int n) {
        if(n == 0)
            return 0;
        else if(n == 1)
            return 1;
        else if(n == 2)
            return 2;
        else if(n % 3 == 0)
            return (n / 3) + 1;
        else if(n % 3 == 1)
            return (n / 3) + 1;
        else if(n % 3 == 2)
            return (n / 3) + 2;
        return -1;
    }
}
