#include<iostream>
#include<iomanip>
#include<cmath>
using namespace std;
double a,b,c,x1,x2,t;
int main(){
    cin>>a>>b>>c;
    x1=(-b+sqrt(b*b-4*a*c))/(2*a);
    x2=(-b-sqrt(b*b-4*a*c))/(2*a);
    t=sqrt(b*b-4*a*c);
    if(t==0){
        cout<<"x1=x2=";
        cout<<fixed<<setprecision(5)<<x1<<";";
    }else if(t>0){
        cout<<"x1=";
        cout<<fixed<<setprecision(5)<<x1<<";";
        cout<<"x2=";
        cout<<fixed<<setprecision(5)<<x2;
    }else{
        cout<<"No answer!";
    }
}