#include<iostream>
#include<bits/stdc++.h>
using namespace std;
int main()
{
double a,b,c;
cin>>a>>b>>c;
if(a!=0)
{
if(pow(b,2)-4*a*c==0)
cout<<((-b-sqrt(pow(b,2)-4*a*c))/2*a)<<endl;
if(pow(b,2)-4*a*c<0)
cout<<"brak"<<endl;
if(pow(b,2)-4*a*c>0)
cout<<((-b-sqrt(pow(b,2)-4*a*c))/2*a)<<' '<<((-b+sqrt(pow(b,2)-4*a*c))/2*a)<<endl;
}
return 0;
}
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