static int averageOdd ( int n ) {
  if ( n % 2 == 0 ) {
    System . out . println ( "Invalid Input" ) ;
    return - 1 ;
  }
  return ( n + 1 ) / 2 ;
}

static int averageOdd ( int n ) { if ( n % 2 == 0 ) { System . out . println ( " Invalid ▁ Input " ) ; return - 1 ; } return ( n + 1 ) / 2 ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) (return_statement (unary_expression operand: (decimal_integer_literal))))) (return_statement (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal)))))