int i=1;
        double x=-5, eps=Math.pow(0.1, 5), sum=0.0, elem=1.0;
        do
        {
            sum+=elem;
            elem*=x/i;
            i++;
            System.out.println(sum);
        }while( Math.abs(elem)>=eps);
        System.out.println("");
 
        sum = 0.0; i=1; x=-5; elem=1.0;
        do
        {
            sum+=elem;
            elem*=Math.abs(x)/i;
            i++;
            System.out.println(1/sum);
        }while( Math.abs(elem)>=eps);
        System.out.println("");
 
        sum = 0.0; i=1; x=-5; elem=1.0;
        double n = 1000.0, s = x/n;
        do
        {
            sum+=elem;
            elem*=s/i;
            i++;
            System.out.println(Math.pow(sum, n));
        }while( Math.abs(elem)>=eps);