def bt(arr):
    l = len(arr)
    if l <= 2:
        return arr
    mid = l//2
    bta = [arr[mid]]
    bta.extend(bt(arr[:mid]))
    bta.extend(bt(arr[mid+1:]))
    return bta

K = int(input())
a = [1] + bt(list(range(2, 1<<K)))
print(*a)