#include <bits/stdc++.h>

/**
 * @title Real solutions of quadratic equation
 * @docs quadratic_equation.md
 */
std::vector<double> quadratic_equation(double a, double b, double c){
  double d = b*b - 4*a*c;
  if(d < 0) return {};
  
  double x1 = (-b - std::sqrt(d)) / (2 * a);
  double x2 = (-b + std::sqrt(d)) / (2 * a);
  return {x1, x2};
}


namespace solver{
  constexpr double eps = 1e-4;
  
  void solve(){
    double a, b, c; std::cin >> a >> b >> c;
    auto ans = quadratic_equation(a, b, c);
    if(ans.empty()) std::cout << "imaginary" << "\n";
    else{
      std::cout << std::fixed << std::setprecision(12);
      if(std::abs(ans[0] - ans[1]) < eps) std::cout << ans[0] << "\n";
      else{
        std::cout << ans[0] << " " << ans[1] << "\n";
      }
    }
  }
}

int main(){
  solver::solve();
  return 0;
}