def boolInput(question):
  while True:
    try:
      choice = input(question)
      assert choice in ['J', 'j', 'N', 'n']
      return choice in ['J','j']
    except AssertionError:
      print('Skriv in J eller N\n')

def evalDiscountPercent():
  age = int(input('Skriv inn din alder: '))
  if age < 16:
    return 50
  elif age >= 60:
    return 25
  
  hasSpecialSocialStatus = boolInput('Er du student eller militær (J/N)?')
  return 25 if hasSpecialSocialStatus else 0

def discountBranch():
  choseDiscount = boolInput('Minipris 199,- kan ikke refunderes/endres\nØnskes dette (J/N)? ')
  if choseDiscount:
    discountPercent = evalDiscountPercent()
    print(f'Prisen på biletten blir: {440 - 440 * discountPercent/100}')
  else:
    print('Da tilbyr vi fullpris: 440,-')


daysToTrip = int(input('Dager til du skal reise? '))

if daysToTrip >= 14:
  discountBranch()
else:
  print('For sent for minipris; fullpris 440,-')