#include <iostream>
#include <cmath>
#include <limits>
#include <iomanip>
using namespace std;

int main(){
  double a,b,c;
  cin >> a >> b >> c;
  double d = (b*b) - (4.0*a*c);
  if(d < 0.0){
    cout << "imaginary" << endl;
  }
  else if(d == 0.0){
    cout << fixed << setprecision(5) << ((-1.0 * b) + sqrt(d))/(2.0*a) << endl;
  }
  else{
    double solution1 = ((-1.0 * b) + sqrt(d))/(2.0*a);
    double solution2 = ((-1.0 * b) - sqrt(d))/(2.0*a);
    cout << fixed << setprecision(5) << min(solution1,solution2) << " " << max(solution1,solution2) << endl;
  }
}