B > length , then we can 't remove node
if ( B > len ) { System . out . print ( " Length ▁ of ▁ the ▁ linked ▁ list ▁ is ▁ " + len ) ; System . out . print ( " ▁ we ▁ can ' t ▁ remove ▁ " + B + " th ▁ node ▁ from ▁ the " ) ; System . out . print ( " linked listNEW_LINE"); return head ; }