private static void main2 ( ) throws IOException {
  char [ ] s = in . next ( ) . toCharArray ( ) ;
  int n = s . length ;
  int count = 0 ;
  for ( int i = 1 ;
  i < n ;
  i ++ ) {
    if ( s [ i ] != s [ i - 1 ] ) count ++ ;
  }
  if ( s [ n - 1 ] == '-' ) count ++ ;
  out . println ( count ) ;
}

private static void main2 ( ) throws IOException { char [ ] s = in . next ( ) . toCharArray ( ) ; int n = s . length ; int count = 0 ; for ( int i = 1 ; i < n ; i ++ ) { if ( s [ i ] != s [ i - 1 ] ) count ++ ; } if ( s [ n - 1 ] == ' - ' ) count ++ ; out . println ( count ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters) (throws (type_identifier)) body: (block (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: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))))) consequence: (expression_statement (update_expression (identifier)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (character_literal))) consequence: (expression_statement (update_expression (identifier)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))