static void solve ( char [ ] a , char [ ] b ) {
  int l = a . length ;
  int min = 0 , max = 0 ;
  for ( int i = 0 ;
  i < l ;
  i ++ ) {
    if ( a [ i ] == '+' || b [ i ] == '+' || a [ i ] != b [ i ] ) max ++ ;
    if ( a [ i ] != '+' && b [ i ] != '+' && a [ i ] != b [ i ] ) min ++ ;
  }
  System . out . print ( min + max + "\n" ) ;
}

static void solve ( char [ ] a , char [ ] b ) { int l = a . length ; int min = 0 , max = 0 ; for ( int i = 0 ; i < l ; i ++ ) { if ( a [ i ] == ' + ' || b [ i ] == ' + ' || a [ i ] != b [ i ] ) max ++ ; if ( a [ i ] != ' + ' && b [ i ] != ' + ' && a [ i ] != b [ i ] ) min ++ ; } System . out . print ( min + max + " \n " ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier)) (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier))) body: (block (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)) 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: (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: (array_access array: (identifier) index: (identifier))))) consequence: (expression_statement (update_expression (identifier)))) (if_statement condition: (parenthesized_expression (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: (array_access array: (identifier) index: (identifier))))) consequence: (expression_statement (update_expression (identifier)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (string_literal)))))))