static Vector < Long > gen ( long n , Vector < Long > r ) {
  long a = r . get ( r . size ( ) - 1 ) ;
  a ++ ;
  for ( int i = 1 ;
  i <= n ;
  a += 2 , i ++ ) {
    r . add ( a ) ;
  }
  return r ;
}

static Vector < Long > gen ( long n , Vector < Long > r ) { long a = r . get ( r . size ( ) - 1 ) ; a ++ ; for ( int i = 1 ; i <= n ; a += 2 , i ++ ) { r . add ( a ) ; } return r ; }
(method_declaration (modifiers) type: (generic_type (type_identifier) (type_arguments (type_identifier))) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (generic_type (type_identifier) (type_arguments (type_identifier))) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal)))))) (expression_statement (update_expression (identifier))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (assignment_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))) (return_statement (identifier))))