


'''simple docstring'''







def _UpperCamelCase       (     __A      ,			__A      ,			__A    )							->		bool:


      '''simple docstring'''



      return not any(
          neighbour == 1 and colored_vertices[i] == color
          for i, neighbour in enumerate(__A    )    )







def _UpperCamelCase       (     __A      ,			__A      ,			__A      ,			__A    )							->		bool:


      '''simple docstring'''



      if index == len(__A    ):
            return True

      # Recursive Step
      for i in range(__A    ):
            if valid_coloring(graph[index]      ,			__A      ,			__A    ):
                  # Color current vertex
                  UpperCamelCase__										=				i
                  # Validate coloring
                  if util_color(__A      ,			__A      ,			__A      ,			index + 1    ):
                        return True
                  # Backtrack
                  UpperCamelCase__										=				-1
      return False







def _UpperCamelCase       (     __A      ,			__A    )							->		list[int]:


      '''simple docstring'''



      UpperCamelCase__										=				[-1] * len(__A    )

      if util_color(__A      ,			__A      ,			__A      ,			0    ):
            return colored_vertices

      return []












from datetime import datetime

import requests
from bsa import BeautifulSoup

if __name__ == "__main__":
					A    :					List[str] =      input('''Enter image url: ''').strip()
					print(F'''Downloading image from {url} ...''')
					A    :					Any =      BeautifulSoup(requests.get(url).content, '''html.parser''')
					# The image URL is in the content field of the first meta tag with property og:image
					A    :					List[Any] =      soup.find('''meta''', {'''property''': '''og:image'''})['''content''']
					A    :					Dict =      requests.get(image_url).content
					A    :					Tuple =      F'''{datetime.now():%Y-%m-%d_%H:%M:%S}.jpg'''
					with open(file_name, '''wb''') as fp:
										fp.write(image_data)
					print(F'''Done. Image saved to disk as {file_name}.''')



