#include<bits/stdc++.h>
using namespace std;
float a,b,c;
int main(){
	cin>>a>>b>>c;
	if(b*b-4*a*c<0){
		cout<<"No answer";
	}
	else if(b*b-4*a*c==0){
		cout<<"x1=x2="<<fixed<<setprecision(5)<<-b/(2*a);
	}
	else{
		cout<<"x1="<<fixed<<setprecision(5)<<(-b+sqrt(b*b-4*a*c))*1.0/(2.0*a)<<";x2="<<(-b-sqrt(b*b-4*a*c))*1.0/(2.0*a);
	}
	return 0;
}