[Decoding]

Код:

program Project1;
 
{$APPTYPE CONSOLE}
 
uses
  System.SysUtils;
 
function ReverseInt(N: LongInt): Longint;
var
  Buf: LongInt;
begin
   Buf := 0;
   while N > 0 do
   begin
      Buf := Buf * 10 + N mod 10;
      N := N div 10;
  end;
  Result := Buf;
end;
 
var
  i: Integer;
begin
   for i := 0 to 4000 do
      if i = ReverseInt(i) then
         Writeln(i);
   Readln(Input);
end.