program Project2;

{$APPTYPE CONSOLE}

uses
  SysUtils;

var n,m,k:integer;x,y:text;

begin
  { TODO -oUser -cConsole Main : Insert code here }
  assign(x,'legacy.in');
  assign(y,'legacy.out');
  reset(x);
  reset(y);
  read(n,m);
  k:=(n-m) ;
  

  rewrite(y);
   close(x);
   close(y);
end.