public static void main ( String [ ] args ) {
  Scanner in = new Scanner ( System . in ) ;
  int num = in . nextInt ( ) ;
  int result = sumsOfDigits ( num ) ;
  int divisor = num - 2 ;
  int gcd = getGcd ( result , divisor ) ;
  System . out . println ( ( result / gcd ) + "/" + ( divisor / gcd ) ) ;
  in . close ( ) ;
}

public static void main ( String [ ] args ) { Scanner in = new Scanner ( System . in ) ; int num = in . nextInt ( ) ; int result = sumsOfDigits ( num ) ; int divisor = num - 2 ; int gcd = getGcd ( result , divisor ) ; System . out . println ( ( result / gcd ) + " / " + ( divisor / gcd ) ) ; in . close ( ) ; }
(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: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list (identifier))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (string_literal)) right: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))