modify input argument for KeyName
modify input argument for KeyName
futuresystems-courses/465-project-git4hiroaki-benshadburne-yujinhirose,futuresystems/465-project-git4hiroaki-benshadburne-yujinhirose,futuresystems-courses/465-project-git4hiroaki-benshadburne-yujinhirose,futuresystems/465-project-git4hiroaki-benshadburne-yujinhirose