fn main(){for io::stdin().each_line|l|{let r=str::replace;println(r(r(r(r(l,"o o","o ~"),"uuu","\xc5\xa9\xc5\xa9\xc5\xa9")," ^ ","\xe2\x80\x97^\xe2\x80\x97"),"====","== ="))}}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).