এর জন্য অনুসন্ধান ফলাফল: 2b+++++++++++in+in+in+in+in+in+++++bin++++n%2 B+n+n+in+in+in+in+in+in+in+in+in+in+in+in+in+in+in+in+in+in+in+in+in+in+in+in