public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  String cards = sc . next ( ) ;
  sc . close ( ) ;
  char [ ] str = cards . toCharArray ( ) ;
  int min = 0 ;
  for ( int i = 0 ;
  i < str . length ;
  i ++ ) {
    if ( str [ i ] == 'a' || str [ i ] == 'e' || str [ i ] == 'i' || str [ i ] == 'u' || str [ i ] == 'o' ) {
      min ++ ;
    }
    else if ( str [ i ] == '1' || str [ i ] == '3' || str [ i ] == '5' || str [ i ] == '7' || str [ i ] == '9' ) {
      min ++ ;
    }
  }
  System . out . println ( min ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; String cards = sc . next ( ) ; sc . close ( ) ; char [ ] str = cards . toCharArray ( ) ; int min = 0 ; for ( int i = 0 ; i < str . length ; i ++ ) { if ( str [ i ] == ' a ' || str [ i ] == ' e ' || str [ i ] == ' i ' || str [ i ] == ' u ' || str [ i ] == ' o ' ) { min ++ ; } else if ( str [ i ] == '1' || str [ i ] == '3' || str [ i ] == '5' || str [ i ] == '7' || str [ i ] == '9' ) { min ++ ; } } System . out . println ( min ) ; }
(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 (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (field_access object: (identifier) field: (identifier))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal)) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal))) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal))) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal))) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal)))) consequence: (block (expression_statement (update_expression (identifier)))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal)) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal))) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal))) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal))) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal)))) consequence: (block (expression_statement (update_expression (identifier)))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))