program ebaat;
var a,b,c,d: real;
begin
write('Input abc:');
read(a,b,c);
d:=b*b-4*a*c;
if d<0 then writeln('Fuck you')
else begin writeln('x1=',(-b+sqrt(d))/(2*a));
writeln('x2=',(-b-sqrt(d))/(2*a)) end
end.