def h(s):
    l = len(s)
    if l == 1:
        return s[0], [], []
    else:
        x = s[l//2-1]
        a = s[:l//2-1]
        b = s[l//2:]
        return x, a, b
def g(s):
    x, f, b = h(s)
    print(x, end=' ')
    if f: g(f)
    if b: g(b)
K = int(input())
s = list(range(1, 2**K))
g(s)
print()