#include<bits/stdc++.h>

using namespace std;

int main()

{

    double i;

    double k;

    for(i=0.000;i-2.000<=0.00000001;i+=0.001)

    {

        k=;

        double sum=+(-i)/(**);

        while(k-<)

        {

            sum+=(-i)/(k*(k+i)*(k+));

            k=k+;

        }

        printf("%5.3lf %16.12lf\n",i,sum);

    }

    return ;

}