import sys
        
def print_ans(ls):
    c = len(ls) // 2
    val = ls[c]
    
    if val == 2:
        sys.stdout.write('3 2 1 ')    
    elif val != 1 and val != 3:
        sys.stdout.write(str(val) + ' ')
    
    if len(ls) >= 2:
       print_ans(ls[:c])
    if len(ls) >= 3:
        print_ans(ls[c + 1:])
    
k = int(input())

ls = list(range(1, 2**k))
print_ans(ls)
print('')