#include <bits/stdc++.h>
using namespace std;

int main(){
  double a, b, c,d;
  double x1, x2;

  cin>>a>>b>>c;
  
  d = b * b - 4 * a * c;
    if(d >=0){                   
      x1 = (fabs(b) + sqrt(d)) / (2.0 * a);
      if ( b >= 0.0 ) {
        x1 = -x1;
      }
      x2 = c / (a * x1);
      if(d==0) cout<<fixed<<setprecision(10)<<x1<<endl;
      else cout<<fixed<<setprecision(10)<<min(x1,x2)<<" "<<max(x1,x2)<<endl;
      }
      else{                                  
      cout<<"imaginary"<<endl;
    }

    return 0;
}