public static void main ( String [ ] args ) {
  Scanner in = new Scanner ( System . in ) ;
  int x1 = in . nextInt ( ) ;
  int x2 = in . nextInt ( ) ;
  int x3 = in . nextInt ( ) ;
  int max = Math . max ( x1 , Math . max ( x2 , x3 ) ) ;
  int min = Math . min ( x1 , Math . min ( x2 , x3 ) ) ;
  System . out . println ( max - min ) ;
}

public static void main ( String [ ] args ) { Scanner in = new Scanner ( System . in ) ; int x1 = in . nextInt ( ) ; int x2 = in . nextInt ( ) ; int x3 = in . nextInt ( ) ; int max = Math . max ( x1 , Math . max ( x2 , x3 ) ) ; int min = Math . min ( x1 , Math . min ( x2 , x3 ) ) ; System . out . println ( max - min ) ; }
(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 object: (identifier) name: (identifier) arguments: (argument_list)))) (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 object: (identifier) name: (identifier) arguments: (argument_list (identifier) (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (identifier))))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (method_invocation object: (identifier) 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: (identifier) right: (identifier)))))))