import java.util.stream.Stream;

public class Riddle {
    public static void main(String[] args)
    {
        int num = 0;

        Integer a = createNumA(num);
        num=a;
        Number b = createNumB(a)
        System.out.println(b);

        if(a==b)
        {
            num+=num++ +num--;

        }
        else
        {
            num+=num+++num--+num--;
        }

        switch(num)
        {
            case 6:
                System.out.println("Answer: Capgemini");
                break;
            case 7:
                System.out.println("Answer ♠");
                break;
            case 8:
                System.out.println("Anwser: Java");
                break;
            default:
                throw new RuntimeException();
        }

    }
    private static Integer createNumA(Integer x)
    {
        return ++x<<1;
    }

    private static Number createNumB(Number num)
    {
        return calculate(Stream.of(num));
    }
    private static Number calculate(Stream<Number> number)
    {
        try
        {
            return number.findFirst().get();
        }
        catch(Exception exception)
        {
            throw new AreYouSureException();
        }

    }

    private static class AreYouSureException extends RuntimeException
    {
        private AreYouSureException()
        {
            super("O RLY?");
        }
    }


}