K = int(input())

ans = []
def dfs(t):
    ans.append(t)
    s = list(bin(t))
    s.reverse()
    i0 = 0
    for i in range(len(s)):
        if s[i] == '1':
            i0 = i
            break
    if i0 == 0:
        return
    dfs(t+2**(i-1))
    dfs(t-2**(i-1))

dfs(2**(K-1))
print(ans[:-3]+[1,3,2])