/*
 * Copyright (c) 2013 - present Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */

int main() {
  int a = 10;
  int b = 0;
  do {
    a = 1;
  } while (b < 20);

  return 0;
}