var a,b,c,D,x1,x2:real;
e,f,g:integer;
begin
writeln("vvedite koefficienty: ");
read(e);
read(f);
read(g);
a:=sqr(abs(e-f))*abs(e-f);
b:=sqr(sqr(sqrt(3*e+17)));
c:=(g-f)/144;
D:=sqr(b)-4*a*c;
x1:=(-b+sqrt(d))/(2*a);
x1:=(-b-sqrt(d))/(2*a);
writeln("x1=",x1,"x2=",x2);
readln
end.