program Pr3;
uses crt;
var
a, x, y: real;
Begin
Writeln('Vvedite a');
readln(a);
x := -4;
while x <= 5 do
begin
if x * x * x - 2 * x * x - x + 2 <> 0 then
begin
y := (2 * x + a) / (x * x * x - 2 * x * x - x + 2);
Writeln('x=', x, ' y= ', y:6:2);
end
else
Writeln('Znachenie= ', x, ' ne naideno');
x := x + 1;
end;
End.