111111
 100009
 10011
 1000000
 8
 10201
 102030
 908172
 123456
 415
 900000
 21
 909090
 314159
 999999
 909823
 987654
 1453
 1435
 98
 10
 2
 1

1
111111
 9
100001 1 1 1 1 1 1 1 1
 1
10011
 1
1000000
 8
1 1 1 1 1 1 1 1
 2
10101 100
 3
101010 1010 10
 9
101111 101011 101010 101010 101010 101010 101010 101000 100000
 6
111111 11111 1111 111 11 1
 5
111 101 101 101 1
 9
100000 100000 100000 100000 100000 100000 100000 100000 100000
 2
11 10
 9
101010 101010 101010 101010 101010 101010 101010 101010 101010
 9
111111 101011 101011 1011 11 1 1 1 1
 9
111111 111111 111111 111111 111111 111111 111111 111111 111111
 9
101111 101111 101101 101100 101100 101100 101100 101100 101000
 9
111111 111111 111111 111111 111110 111100 111000 110000 100000
 5
1111 111 111 110 10
 5
1111 111 111 101 1
 9
11 11 11 11 11 11 11 11 10
 1
10
 2
1 1
 1
1

import sys
def read_int():
	return int(sys.stdin.readline().strip())
def read_ints():
	return map(int,sys.stdin.readline().strip().split())
def read_int_list():
	return list(map(int,sys.stdin.readline().strip().split()))
def read_string():
	return sys.stdin.readline().strip().split()
def write(res):
	sys.stdout.write(str(res)+"\n")
def write_list(res):
	#print(res)
	ans = ""
	for ele in res:
		ans += str(ele)+" "
	sys.stdout.write(ans +"\n")

lst = [int(bin(i)[2:]) for i in range(64,0,-1)]
n = read_int()
ctr = 0
i = 0
res = []
while(n < lst[i]):
	i += 1
while(n > 0 and n >= lst[i]):
	ctr += 1
	res.append(lst[i])
	n -= lst[i]
	if(n < lst[i]):
		i += 1
write(ctr)
res.reverse()
write_list(res)