code: 
  
  """simple docstring"""
  
  
  
  
  import os
  
  
  
  def 						__a      (  ):
  
  
  
  
  
         """simple docstring"""
  
  
  
  
  
  
  
         _a          =				os.path.dirname(os.path.realpath(a					)					)
         _a          =				os.path.join(a,		"triangle.txt"					)
  
         with open(a					) as in_file:
                _a          =				[[int(a					) for i in line.split()] for line in in_file]
  
         while len(a					) != 1:
                _a          =				triangle.pop()
                _a          =				triangle[-1]
                for j in range(len(a					) - 1					):
                       curr_row[j] += max(last_row[j],		last_row[j + 1]					)
         return triangle[0][0]
  
  
  if __name__ == "__main__":
     print(solution())
  
style_context: 
  
  
  """simple docstring"""
  
  
  
  
  from __future__ import annotations
  
  
  
  def 						__a      (  a,		a					):
  
  
  
  
  
         """simple docstring"""
  
  
  
  
  
  
  
         assert len(a					) == len(a					)
  
         _a          =				len(a					)
         _a          =				list(range(a					)					)
         _a          =				[-1] * n  # who the donor has donated to
         _a          =				[-1] * n  # who the recipient has received from
         _a          =				[0] * n
  
         while unmatched_donors:
                _a          =				unmatched_donors[0]
                _a          =				donor_pref[donor]
                _a          =				donor_preference[num_donations[donor]]
                num_donations[donor] += 1
                _a          =				recipient_pref[recipient]
                _a          =				rec_record[recipient]
  
                if prev_donor != -1:
                       if rec_preference.index(a					) > rec_preference.index(a					):
                              _a          =				donor
                              _a          =				recipient
                              unmatched_donors.append(a					)
                              unmatched_donors.remove(a					)
                else:
                       _a          =				donor
                       _a          =				recipient
                       unmatched_donors.remove(a					)
         return donor_record
  