#include <bits/stdc++.h>
using namespace std;
double EPS = 0.00000001;
int main(){
  cout << fixed << setprecision(20);
  int a, b, c;
  cin >> a >> b >> c;
  int D = b * b - 4 * a * c;
  if (D < 0){
    cout << "imaginary" << endl;
  } else if (D == 0){
    cout << - b / (2 * (double) a) << endl;
  } else {
    double A = - b / (2 * (double) a);
    double B = sqrt(D) / (2 * a);
    cout << A - B << ' ' << A + B << endl;
  }
}