inputFile = open("./input.txt", 'a+')

for c in inputFile:
  area = inputFile.read(4)
  check = ""
  for a in area:
    if a not in check:
      check += a
  if(check==area):
    break

print("Stelle des heiligen Pandabären: ", inputFile.tell())
print("Der Text an der Stelle: ", inputFile.seek(inputFile.tell()-1)) #hilf