#include <iostream>
#include <cmath>
#include <iomanip>
using namespace std;
double a,b,c,d,x1,x2;
int main()
{
cin >> a >> b >> c;
d=b*b-4*a*c;
cout << fixed;
cout << setprecision(2);
if(d<0) cout << "Nu are solutii reale";
else if(d==0) cout << "Radacina dubla " << (-b)/(2*a);
else
{
x1=(-b-sqrt(d))/(2*a);
x2=(-b+sqrt(d))/(2*a);
if(x1>x2) cout << x1 << " " << x2;
if(x2>x1) cout << x2 << " " << x1;
}
return 0;
}