import math,sys
K=int(input())
v=2**(K-1)+1
P=[str(v)]
left=[str(i) for i in range(1,v)]
right=[str(i) for i in range(v+1,2**K)]

def f(list):
  if len(list)==0:
    return []
  elif len(list)==1:
    return [list[0]]
  else:
    index=len(list)//2
    return [list[index],list[0:index],list[index+1:]]

que=[left,right]
while len(P)!=2**K-1:
  if len(que)<=1:
    print('error')
  else:
    l=que.pop(0)
    r=que.pop(0)
    tmp1=f(l)
    tmp2=f(r)
    if len(tmp1)==3:
      v1,l1,r1=tmp1[0],tmp1[1],tmp1[2]
      P.append(str(v1))
      que.append(l1)
      que.append(r1)
    if len(tmp2)==3:
      v2,l2,r2=tmp2[0],tmp2[1],tmp2[2]
      P.append(str(v2))
      que.append(l2)
      que.append(r2)
    if len(tmp1)==1:
      P.append(str(tmp1[0]))
    if len(tmp2)==1:
      P.append(str(tmp2[0]))
      
print(' '.join(P))