#include <complex>
#include <iostream>
#include <iomanip>
using namespace std;
using namespace complex_literals;
typedef complex<double> dcomp;
int main(){
double x; cout<<"x: "; cin>>x;
int n=10; dcomp s=1;
for(double k=0;k<=n;k++)
s*=(1i+x*(2i-k-5.)/(1i*x-k))/(1i*x*k+1.);
cout<<setprecision(4)<<s.real()<<" "<<s.imag()<<"i"<<endl;}