#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
using ll = long long;
using 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;
  else if (d == 0) {
    double x = - b / 2 / a;
    printf("%.5f\n", x);
  }
  else {
    double x1 = (- b + sqrt(d)) / 2 / a;
    double x2 = (- b - sqrt(d)) / 2 / a;
    printf("%.5f %.5f\n", min(x1, x2), max(x1, x2));
  }
  return 0;
}