#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using VI = vector<int>;
using P = pair<int, int>;

#define REP(i, n) for (int i = 0; i < (int)(n); i++)
#define FOR(i, a, b) for (ll i = a; i < (ll)(b); i++)
#define ALL(a) (a).begin(),(a).end()

constexpr int INF = 1001001001;
constexpr ll LINF = 1001001001001001001ll;
constexpr int DX[] = {1, 0, -1, 0};
constexpr int DY[] = {0, 1, 0, -1};

template< typename T1, typename T2>
inline bool chmax(T1 &a, T2 b) {return a < b && (a = b, true); }
template< typename T1, typename T2>
inline bool chmin(T1 &a, T2 b) {return a > b && (a = b, true); }

const ll MOD = 998244353;

ll mod_pow(ll x, ll n, ll mod) {
    ll res = 1;
    while (n > 0) {
        if (n & 1) res = res * x % mod;
        x = x * x % mod;
        n >>= 1;
    }
    return res;
}

int main() {
    ll N;
    cin >> N;
    if (N == 0) {
        cout << -1 << endl;
        return 0;
        
    }
    vector<bool>B(0);
    while (N > 0) {
        B.push_back(N % 2);
        N /= 2;
    }
    int L = B.size();
    vector<ll> A(1, 1LL << (L - 1));
    REP(i, L - 1) {
        if (B[i] != B[i + 1]) A.push_back(1LL << i); 
    }
    cout << A.size() << "\n";
    REP(i, A.size()) {
        cout << A[i];
        if (i < A.size() - 1) cout << " ";
    }
    cout << "\n";
}