#include <stdio.h>
#include<conio.h>
#include <math.h>
#include <string.h>

void main()
{
 double x,S=0,eps=0.00001;
 clrscr();
 printf("Vvedite x (|x|>1)\n");
 scanf("%lf",&x);
 clrscr();
 int i=1;
 while (1/(i*pow(x,i))>eps)
   {
    S+=1/(i*pow(x,i));
    i+=2;
   }
 printf("Summa=%7.5lf\n",S);
 getch();

}