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

def GetQuasiBinary():
    quasi_bin={}
    for i in range(64):
        quasi_bin[i]=bin(i)
    return quasi_bin

def GetQuasiBinRepres(n):
    repres = []
    s = 0

    quasi_bin = GetQuasiBinary()
    i=63
    while s!=n:
        s += int(quasi_bin[i][2:])
        repres.append(quasi_bin[i])
        if s > n:
            s -= int(quasi_bin[i][2:])
            repres.remove(quasi_bin[i])
            i -= 1

    return repres

def main():
    n = int(raw_input())
    repres = GetQuasiBinRepres(n)
    rep = ''
    for i in repres:
        rep += i[2:]+' '
    print len(repres)
    print rep

main()
