public static void main ( String [ ] args ) {
  Scanner scanner = new Scanner ( System . in ) ;
  long ans = 1 ;
  char [ ] a = scanner . next ( ) . toCharArray ( ) ;
  int n = a . length ;
  int count = 0 ;
  for ( int i = 0 ;
  i < n - 1 ;
  ++ i ) {
    if ( a [ i ] - '0' + a [ i + 1 ] - '0' == 9 ) {
      if ( count == 0 ) count += 2 ;
      else count ++ ;
    }
    else {
      if ( count % 2 == 1 ) ans *= ( 1 + count / 2 ) ;
      count = 0 ;
    }
  }
  if ( count % 2 == 1 ) ans *= ( 1 + count / 2 ) ;
  System . out . println ( ans ) ;
}

public static void main ( String [ ] args ) { Scanner scanner = new Scanner ( System . in ) ; long ans = 1 ; char [ ] a = scanner . next ( ) . toCharArray ( ) ; int n = a . length ; int count = 0 ; for ( int i = 0 ; i < n - 1 ; ++ i ) { if ( a [ i ] - '0' + a [ i + 1 ] - '0' == 9 ) { if ( count == 0 ) count += 2 ; else count ++ ; } else { if ( count % 2 == 1 ) ans *= ( 1 + count / 2 ) ; count = 0 ; } } if ( count % 2 == 1 ) ans *= ( 1 + count / 2 ) ; System . out . println ( ans ) ; }
(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: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (field_access object: (identifier) field: (identifier)))) (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: (binary_expression left: (identifier) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal)))) right: (character_literal)) right: (decimal_integer_literal))) consequence: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) alternative: (expression_statement (update_expression (identifier))))) alternative: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (decimal_integer_literal) right: (binary_expression left: (identifier) right: (decimal_integer_literal))))))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (decimal_integer_literal) right: (binary_expression left: (identifier) right: (decimal_integer_literal))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))