static void twoParts ( String str ) {
  int flag = 0 ;
  String a = "" ;
  char [ ] gfg = str . toCharArray ( ) ;
  for ( int i = 0 ;
  i < str . length ( ) ;
  i ++ ) {
    if ( gfg [ i ] == '4' ) {
      gfg [ i ] = '3' ;
      a += '1' ;
      flag = 1 ;
    }
    else if ( flag != 0 ) a += '0' ;
  }
  str = new String ( gfg ) ;
  System . out . print ( str + " " + a ) ;
}

static void twoParts ( String str ) { int flag = 0 ; String a = " " ; char [ ] gfg = str . toCharArray ( ) ; for ( int i = 0 ; i < str . length ( ) ; i ++ ) { if ( gfg [ i ] == '4' ) { gfg [ i ] = '3' ; a += '1' ; flag = 1 ; } else if ( flag != 0 ) a += '0' ; } str = new String ( gfg ) ; System . out . print ( str + " ▁ " + a ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (string_literal))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (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 (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal))) consequence: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal))) (expression_statement (assignment_expression left: (identifier) right: (character_literal))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal)))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (character_literal))))))) (expression_statement (assignment_expression left: (identifier) right: (object_creation_expression type: (type_identifier) arguments: (argument_list (identifier))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (identifier) right: (string_literal)) right: (identifier)))))))