How to delete SharePoint Solution using stsadm command

**********for SharePoint 2007********

@set PATH=C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\BIN;%PATH%

**********for SharePoint 2010/13********
@set PATH=C:\Program Files\Common Files\Microsoft Shared\web server extensions\14\BIN;%PATH%
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stsadm.exe -o retractsolution -name HdnEventManager.wsp –local
stsadm.exe -o deletesolution -name HdnEventManager.wsp