text: #!/usr/bin/env python3
  import sys, utils
  
  def find_increasing_window(l: list):
      win = l[:3]  
      count = 0
      for n in range(3, len(l)):
          new_win = [l[n-2], l[n-1], l[n]]
          if sum(new_win) > sum(win):
              count += 1
          win = new_win
      return count
  
  if __name__ == '__main__':
      if len(sys.argv) < 2:
          print("please supply input file")
          sys.exit()
      f = utils.File(sys.argv[1])
      print(find_increasing_window(f.get_ints()))
  
  
  