text: who_cares = input()
  string_split = str(input()).split()
  countr = 1
  result = 0
  for i in string_split:
      if str(countr) == i or "mumble" == i:
          countr += 1
      else:
          result += 1
  if result == 0:
      print("makes sense")
  else:
      print("something is fishy")