import random

def main():
    N = int(input())
    l = list(range(1, 2 ** N))
    random.shuffle(l)
    while l[0] == 1:
        random.shuffle(l)

    for i in l:
        print(i, end='')
        print(" ", end='')
    print()

if __name__ == '__main__':
    main()