program masodfoku;
var a,b,c,d,x1,x2:real;
begin
     writeln('Kerem az egyutthatokat!');
     readln(a);
     readln(b);
     readln(c);
     d:=sqrt(b*b-4*a*c);
     x1:=(-b+d)/(2*a);
     x2:=(-b-d)/(2*a);
     writeln('Az elso zerushely: ',x1 );
     writeln('Az masodik zerushely: ',x2 );
     readln;
end.