/in/foo.cc:5:9: error: stray '\357' in program
  return （x%2!=0&&x%3 != 0&x%5 != 0）;
         ^
/in/foo.cc:5:10: error: stray '\274' in program
  return （x%2!=0&&x%3 != 0&x%5 != 0）;
          ^
/in/foo.cc:5:11: error: stray '\210' in program
  return （x%2!=0&&x%3 != 0&x%5 != 0）;
           ^
/in/foo.cc:5:37: error: stray '\357' in program
  return （x%2!=0&&x%3 != 0&x%5 != 0）;
                                     ^
/in/foo.cc:5:38: error: stray '\274' in program
  return （x%2!=0&&x%3 != 0&x%5 != 0）;
                                      ^
/in/foo.cc:5:39: error: stray '\211' in program
  return （x%2!=0&&x%3 != 0&x%5 != 0）;
                                       ^
/in/foo.cc: In function 'long long int dfs(int)':
/in/foo.cc:5:24: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
  return （x%2!=0&&x%3 != 0&x%5 != 0）;
                    ~~~~^~~~