#include<iostream>
#include<iomanip>
#include<cmath>
using namespace std;
int main()
{
	double x = 0;
	cout << "Enter x: ";
	cin >> x;
	double z1 = (x*x+2*x-3+(x+1)*sqrt(x*x-9))/(x*x-2*x-3+(x-1)*sqrt(x*x-9));
	double z2 = sqrt((x+3)/(x-3));
	cout <<fixed<<setprecision(2)<<z1<<" "<<z2;;
	system("pause>0");
	return 0;
}