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.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;


public class B {
	public static void main(String[] args) throws NumberFormatException, IOException {
			// Use scanner! Good for reading in bigints too.
			// Arrays.fill for initialising arrays
			// Look up cumulative frequency tables (only for dynamic querying with new numbers coming in)
			BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream("in.in")));
			PrintStream writer = new PrintStream(new FileOutputStream("out.out"));
			int cases = Integer.parseInt(reader.readLine());
			for (int i = 1; i <= cases; i++) {
				String[] tokens = reader.readLine().split(" ");
				int googlers = Integer.parseInt(tokens[0]);
				int surprising = Integer.parseInt(tokens[1]);
				int target = Integer.parseInt(tokens[2]);
				int maxReached = 0;
				for (int j = 3; j < googlers + 3; j++) {
					int total = Integer.parseInt(tokens[j]);
					if ((total / 3 + Math.min(total % 3, 1) >= target) || ((total / 3 + Math.max(total % 3, 1) >= target) &&
							(surprising-- > 0) && ((total >= 1) || (total % 3 != 0)))) {
						maxReached++;
					}
				}
				writer.printf("Case #%d: %d\n", i, maxReached);
			}
	}
}
