private static boolean isFair ( long N ) {
  long r = N ;
  while ( r != 0 ) {
    long digit = r % 10 ;
    r /= 10 ;
    if ( digit != 0 && N % digit != 0 ) {
      return false ;
    }
  }
  return true ;
}

private static boolean isFair ( long N ) { long r = N ; while ( r != 0 ) { long digit = r % 10 ; r /= 10 ; if ( digit != 0 && N % digit != 0 ) { return false ; } } return true ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (identifier))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (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: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal)))) consequence: (block (return_statement (false)))))) (return_statement (true))))