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.