text: #!/usr/bin/env python3
  
  import sys
  
  values = []
  with open(sys.argv[1],'r') as fp:
      for line in fp:
          values.append(int(line))
          for val in values:
              corrVal = 2020 - val - int(line)
              if corrVal in values:
                  mulVal = corrVal * val * int(line)
                  print(corrVal," ",val," ",int(line))
                  print(mulVal)
  