From: Ma Sz Date: 2011-03-11T08:30:32+09:00 Subject: Re: problem with compilation ok, the error disappeared but for input 1d+d*dddd**++d1d+d*d*1d+*111++-++d1d+dd**1-++dd111+++11-+<[o<]! i should get Hello but the while loop never stop -- Posted via http://www.ruby-forum.com/.