#include <bits/stdc++.h>


namespace solver{
  void solve(){
    int a, b, c; std::cin >> a >> b >> c;
    int D = b * b - 4 * a * c;

    std::cout << std::fixed << std::setprecision(15);

    if(D < 0){
      std::cout << "imaginary" << "\n";
    }else if(D == 0){
      double x = -(double)b / (2.0 * a);
      std::cout << x << "\n";
    }else{
      double x1 = (-(double)b - std::sqrt(D)) / (2.0 * a);
      double x2 = (-(double)b + std::sqrt(D)) / (2.0 * a);
      if(x1 > x2) std::swap(x1, x2);
      std::cout << x1 << " " << x2 << "\n";
    }
  }
}

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