public static void main ( String [ ] args ) throws Exception {
  String input = sc . next ( ) ;
  if ( uniqueChar ( input ) . length ( ) % 2 == 0 ) out . print ( "CHAT WITH HER!" ) ;
  else out . print ( "IGNORE HIM!" ) ;
  out . close ( ) ;
}

public static void main ( String [ ] args ) throws Exception { String input = sc . next ( ) ; if ( uniqueChar ( input ) . length ( ) % 2 == 0 ) out . print ( " CHAT ▁ WITH ▁ HER ! " ) ; else out . print ( " IGNORE ▁ HIM ! " ) ; out . close ( ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) (throws (type_identifier)) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (method_invocation object: (method_invocation name: (identifier) arguments: (argument_list (identifier))) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal)))) alternative: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))