seed = 0xdeadbeef

def mfloor(f):
  return round(f) - (round(f) > f)

def mceil(f):
  return round(f) + (round(f) < f)

def random():
  global seed
  rnd_max = 0x7fff
  seed = (seed * 214013 + 2531011) % 4294967296
  return ((seed // (2*rnd_max + 1)) & rnd_max) / rnd_max

def uniform(mini, maxi):
  return random()*(maxi - mini) + mini

def randint(mini,maxi):
  return round(uniform(mceil(mini), mfloor(maxi)))

def choice(l):
  return l[randint(0, len(l) - 1)]