public static void main ( String [ ] args ) {
  head = null ;
  push ( head , 12 ) ;
  push ( head , 4 ) ;
  push ( head , 8 ) ;
  push ( head , 6 ) ;
  push ( head , 10 ) ;
  int n = 2 ;
  System . out . println ( productOfLastN_NodesUtil ( head , n ) ) ;
}

public static void main ( String [ ] args ) { head = null ; push ( head , 12 ) ; push ( head , 4 ) ; push ( head , 8 ) ; push ( head , 6 ) ; push ( head , 10 ) ; int n = 2 ; System . out . println ( productOfLastN_NodesUtil ( head , n ) ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (assignment_expression left: (identifier) right: (null_literal))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal)))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal)))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal)))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal)))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))))))))