#include <bits/stdc++.h>
#define INF 2000000000000000000
#define ll long long
using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  ll a, b, c;
  cin >> a >> b >> c;
  ll D = b * b - 4 * a * c;
  if (D < 0) {
    cout << "imaginary" << "\n";
  }
  else if (D == 0) {
    double ans = -b;
    ans /= 2 * a;
    cout << fixed << setprecision(15) << ans << "\n";
  }
  else {
    double ans = -b - pow(D, 0.5);
    ans /= 2.0 * a;
    cout << fixed << setprecision(15) << ans << " ";
    ans = -b + pow(D, 0.5);
    ans /= 2.0 * a;
    cout << ans << "\n";
  }
}