#include <iostream>
#include <cmath>
using namespace std;

int main()
{
    double a,b,c,d,x1,x2,eps=0.00001;
    cin>>a>>b>>c;
    d=b*b-4*a*c;
    if(d>0 && d<0.005){
        d=0;
    }
    if(d<0){
        cout<<"No answer!"<<endl;
    }
    x1=(-b+sqrt(d))/(2*a);
    x2=(-b-sqrt(d))/(2*a);
    if(d>=0&&abs(x1-x2)<=eps){
        printf("%.2f\n",x1);
    }
    if(d>=0&&abs(x1-x2)>eps){
        printf("%.2f\n%.2f\n",x1,x2);
    }
    return 0;
}