program Zadacha;

{$APPTYPE CONSOLE}

uses
  SysUtils;
 var n,i:integer;
 c:char;
 f1,f2:text;
begin
  { TODO -oUser -cConsole Main : Insert code here }
 assign(f1,'text.in');
 assign(f2,'text.out');
 reset(f1);
 rewrite(f2);
 while not eoln(f1) do
 begin
  read(f1,c);
  n:=ord(c);
  if (n<91) and (n>64)then write(f2,chr(ord(c)+32)) else
  if (n<122) and (n>96) then write(f2,chr(ord(c)-32)) else
  if (n<224) and (n>191)then write(f2,chr(ord(c)+32)) else
  if (n<256) and (n>223) then write(f2,chr(ord(c)-32)) else
  if (c='³') then write(f2,'²') else
  if (c='²') then write(f2,'³') else
  write(f2,c);
 end;
 writeln(f2);
 close(f1);
 close(f2);
end.