_randmax,_randseed=2**31-1,1

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

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

def seed(s):
  global _randseed
  _randseed=s%_randmax

def random():
  seed(_randseed*16807)
  return float(_randseed/_randmax)

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

def randint(mini,maxi): return round(uniform(_ceil(mini),_floor(maxi)))