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

#define ll long long
#define rep(i, n) for (int i = 0; i < (n); i++)
#define P pair<int, int>

int main() {
  double a, b, c;
  cin >> a >> b >> c;

  double d = b*b-4*a*c;
  if (d < 0) {
    cout << "imaginary" << endl;
    return 0;
  } else if (d == 0) { 
    cout << fixed << setprecision(10) << -b/(2*a) << endl;
  } else {
    cout << fixed << setprecision(10) << (-b-sqrt(d))/(2*a) << " " << (-b+sqrt(d))/(2*a) << endl;
  }



}