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.*;

class dance{
	public static void main(String args[]){
		int t,n,s,p;
		int i,j;
		int score[];
		double average[];
		int sum;

		Scanner sc = new Scanner(System.in);

		t = sc.nextInt();

		for(i=0;i<t;i++){
			n = sc.nextInt();
			s = sc.nextInt();
			p = sc.nextInt();

			//System.out.println(s+" "+p);

			score = new int[n];
			average = new double[n];
			for(j=0;j<n;j++){
				score[j] = sc.nextInt();
				average[j] = (double)score[j]/3.0;
			}
			//System.out.println(Arrays.toString(score));
			//System.out.println(Arrays.toString(average));

			sum=0;
			for(j=0;j<n;j++){
				if(average[j] > p-1) sum++;
				else if(average[j]!=0 && average[j]-0.5 >p-2){
					if(s>0) sum++;
					s--;
				}
			}
		System.out.println("Case #" + (i+1) + ": " + sum);
		}
	}
}
