#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<ll,ll>;
#define rep(i, n) for(ll i = 0; i < n; i++)
#define all(x) (x).begin(),(x).end()
template<class T>bool chmin(T&a, const T&b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool chmax(T&a, const T&b){if(a<b){a=b;return 1;}return 0;}

int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    ll n;
    cin >> n;
    if(!n){
        cout << -1 << '\n';
        return 0;
    }
    int b = n&1, cnt = 1;
    ll x = 1;
    vector<ll> ans;
    n >>= 1;
    while(n){
        if(b != n%2){
            cnt++;
            ans.push_back(x);
        }
        b = n%2;
        n >>= 1;
        x <<= 1;
    }
    ans.push_back(x);
    cout << cnt << '\n';
    for(ll y:ans) cout << y << ' ';
    cout << '\n';
    return 0;
}