program dybko8 mode objfpc uses IFDEF UNIX IFDEF UseCThreads cthreads

program dybko8;

{$mode objfpc}{$H+}

uses
  {$IFDEF UNIX}{$IFDEF UseCThreads}
  cthreads,
  {$ENDIF}{$ENDIF}
  Classes
  { you can add units after this };
 var
 t,tr:text;

 a:string;
begin
  assign (t,'input.txt');
  reset(t);
  read(t,a);
  close (t);



  assign(tr,'output.txt');
  rewrite(tr);
  write (tr, a);
  close(tr);
end.