public static void main ( String [ ] args ) {
  Scanner reader = new Scanner ( System . in ) ;
  int N = reader . nextInt ( ) ;
  String result = "" ;
  if ( N == 1 ) {
    result = "Hello World" ;
  }
  else {
    int A = reader . nextInt ( ) ;
    int B = reader . nextInt ( ) ;
    result = Integer . toString ( A + B ) ;
  }
  reader . close ( ) ;
  System . out . print ( result ) ;
}

public static void main ( String [ ] args ) { Scanner reader = new Scanner ( System . in ) ; int N = reader . nextInt ( ) ; String result = " " ; if ( N == 1 ) { result = " Hello ▁ World " ; } else { int A = reader . nextInt ( ) ; int B = reader . nextInt ( ) ; result = Integer . toString ( A + B ) ; } reader . close ( ) ; System . out . print ( result ) ; }
(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: (type_identifier) declarator: (variable_declarator name: (identifier) value: (string_literal))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (string_literal)))) alternative: (block (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)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (identifier)))))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))