import math



def convert_size(size_bytes: int) -> str:
   if (size_bytes == 0):
       return '0B'
   size_name = ("B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB")
   i = int(math.floor(math.log(size_bytes, 1024)))
   p = math.pow(1024, i)
   s = round(size_bytes/p, 2)
   return '{:.2f} {:s}'.format(s, size_name[i])
