class Overload
{
    public static void series(int x , int n)
    {
        double sum=0.0;
        for (int i=1;i<=n;i++)
        {
            sum=sum+ Math.pow(x,i);
        }
        System.out.println(sum);
    }//end of function

    public static void series(int p)
    {
        for (int i=1; i<=p; i++)
            System.out.println((i*i*i)-1);
    }//end of function

    public static void series()
    {
        double sum=0.0;
        for (int i=2; i<=10;i++)
        {
            sum=sum+(double)1/i;
        }
        System.out.print("Sum= "+sum);
    }//end of function
}//end of class