public static void main ( String [ ] args ) {
  Scanner read = new Scanner ( System . in ) ;
  String username = read . nextLine ( ) ;
  String distinctCharacters = "" ;
  for ( int i = 0 ;
  i < username . length ( ) ;
  i ++ ) {
    char current = username . charAt ( i ) ;
    if ( distinctCharacters . indexOf ( current ) < 0 ) distinctCharacters += current ;
  }
  if ( distinctCharacters . length ( ) % 2 == 0 ) {
    System . out . println ( "CHAT WITH HER!" ) ;
  }
  else {
    System . out . println ( "IGNORE HIM!" ) ;
  }
  read . close ( ) ;
}

public static void main ( String [ ] args ) { Scanner read = new Scanner ( System . in ) ; String username = read . nextLine ( ) ; String distinctCharacters = " " ; for ( int i = 0 ; i < username . length ( ) ; i ++ ) { char current = username . charAt ( i ) ; if ( distinctCharacters . indexOf ( current ) < 0 ) distinctCharacters += current ; } if ( distinctCharacters . length ( ) % 2 == 0 ) { System . out . println ( " CHAT ▁ WITH ▁ HER ! " ) ; } else { System . out . println ( " IGNORE ▁ HIM ! " ) ; } read . 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: (type_identifier) 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))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) update: (update_expression (identifier)) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (identifier)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))) alternative: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))