#include <bits/stdc++.h>
using namespace std;

int main() {
  long double a, b, c;
  cin >> a >> b >> c;
  long double d = b * b - 4 * a * c;
  if (d < 0) {
    cout << "imaginary" << "\n", 0;
  } else if (d == 0) {
    cout << fixed << setprecision(4) << (-b / (2 * a)) << "\n";
  } else {
    long double x = ((-b + sqrt(d)) / (2 * a));
    long double y = ((-b - sqrt(d)) / (2 * a));
    if (x > y) swap(x, y);
    cout << fixed << setprecision(4) << x << " ";
    cout << fixed << setprecision(4) << y << "\n";
  }
}