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.File;
import java.io.FileNotFoundException;
import java.io.PrintStream;
import java.util.Scanner;


public class DancingWiththeGooglers {
	
	enum Type{
		A{
			@Override
			public int getNoSurpiseHigh(int value) {
				// TODO Auto-generated method stub
				return (value+1)/3;
			}

			@Override
			public int getSurpiseHigh(int value) {
				// TODO Auto-generated method stub
				return (value+1)/3+1;
			}
		},
		B{
			@Override
			public int getNoSurpiseHigh(int value) {
				// TODO Auto-generated method stub
				return (value)/3;
			}

			@Override
			public int getSurpiseHigh(int value) {
				// TODO Auto-generated method stub
				return (value)/3+1;
			}
		},
		C{
		
			@Override
			public int getNoSurpiseHigh(int value) {
				// TODO Auto-generated method stub
				return (value-1)/3+1;
			}

			@Override
			public int getSurpiseHigh(int value) {
				// TODO Auto-generated method stub
				return (value-1)/3+1;
			}
		},
		ZERO{
			
			@Override
			public int getNoSurpiseHigh(int value) {
				// TODO Auto-generated method stub
				return 0;
			}

			@Override
			public int getSurpiseHigh(int value) {
				// TODO Auto-generated method stub
				return 0;
			}
		},
		ONE{
			@Override
			public int getNoSurpiseHigh(int value) {
				// TODO Auto-generated method stub
				return 1;
			}

			@Override
			public int getSurpiseHigh(int value) {
				// TODO Auto-generated method stub
				return 1;
			}
		};
		public static Type valueOf(int value){
			switch (value){
			case 0: return Type.ZERO;
			case 1: return Type.ONE;
			default: 
				switch (value%3){
				case 0: return B;
				case 1: return C;
				case 2: return A;
				default: return null;
				}
			}
			
		}
		int value;
		public abstract int getSurpiseHigh(int value);
		public abstract int getNoSurpiseHigh(int value);
	}

	
	public static void main(String args[]) throws FileNotFoundException{
		//System.setOut(new PrintStream(new File("DancingWiththeGooglers.txt")));
		
		Scanner scanner = new Scanner(System.in);
		int testcasenum = Integer.valueOf(scanner.next());
		scanner.nextLine();
		for (int testcase = 0;testcase < testcasenum;testcase++){
			int googlersnum = scanner.nextInt();
			int surpisesnum = scanner.nextInt();
			int atleast = scanner.nextInt();
			//int totals[] = new int[googlersnum];
			int maximum = 0;
			for (int index = 0;index < googlersnum;index++){
				int total = scanner.nextInt();
				Type type = Type.valueOf(total);
				//System.out.println(type);
				//System.out.println(type.getNoSurpiseHigh(total));
				if (type != Type.ZERO && type != Type.ONE && type != Type.C && type.getSurpiseHigh(total) == atleast && surpisesnum > 0){
					maximum++;
					surpisesnum--;
				}else if (type.getNoSurpiseHigh(total) >= atleast){
					maximum++;
				}
			}
			
			System.out.print("Case #");
			System.out.print(testcase+1);
			System.out.print(": ");
			System.out.println(maximum);
		}
	}
}
