Unable to install db2 on solaris system

Dear Experts

I am planning to install sap on sun solaris sparc system. I have download the db2 dvd from the market place (51036149_4). when i try to execute the db2setup it's throwing error db2setup cannot execute. i have full permission for the rolder. but still i am getting the error.

Please help me resolve the issue.

Thanks & Regards