// Solving ax^2 + bx + c = 0 for a=1, b=3, c=-4
#include <iostream>
#include <math.h>
using namespace std;

int main()
{
  cout << (-3.+sqrt(3.*3. -4.*1.*(-4.)))/(2.*1.) << endl;
  cout << (-3.-sqrt(3.*3. -4.*1.*(-4.)))/(2.*1.) << endl;
}