#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(ll i = 0, i##_len = (n); i < i##_len; ++i)
#define rep2(i, x, n) for(ll i = x, i##_len = (n); i < i##_len; ++i)
#define all(n) begin(n), end(n)
using ll = long long;
using P = pair<ll, ll>;
using vi = vector<int>;
using vl = vector<ll>;
using vs = vector<string>;
using vc = vector<char>;
using vb = vector<bool>;
using vd = vector<double>;
vi dir = {-1, 0, 1, 0, -1, -1, 1, 1, -1};

int main() {
  ll la, lb, lc;
  cin >> la >> lb >> lc;
  ll d = lb * lb - 4 * la * lc;
  if(d < 0) {
    cout << "imaginary" << endl;
    return 0;
  }
  double a = la, b = lb, c = lc;
  if(d == 0) {
    double x = -b / (2 * a);
    printf("%.10f\n", x);
    return 0;
  }
  double x1 = (-b - sqrt(d)) / (2 * a);
  double x2 = (-b + sqrt(d)) / (2 * a);
  printf("%.10f %.10f\n", x1, x2);
}