111

def pi(pos):

  return dpi[pos]

def step (S, X ,t):

  Y=set()

  for pos in S:

    if (t%2==1) and (pi(pos) & X) or (t%2==0) and (pi(pos) <= X): Y.add(pos)

  return Y

swin = int(input())

G=set([i for i in range (1,swin)])

LW={1 : set([i for i in range(swin, swin*2)]),0: set()}

print(pi(swin-1))

t=0

while t<10:

  t+=1

  R=step(G,LW[t%2],t)

  G=G-R

  LW[(t+1)%2]=LW[(t+1)%2].union(R)

  print("R{} = ".format(t), sorted(R),)