text: with open('input.txt', "r+") as file:
    contents = file.read()
  
  entries = list(filter(lambda x: x != '', contents.split('\n')))
  numbers = list(map(lambda x: int(x), entries))
  
  shouldLeave = False
  for i in numbers:
    for j in numbers:
      if (i + j) == 2020:
        print('Answer is:', i * j)
        shouldLeave = True
        break
    if shouldLeave == True: break
  