#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll=long long;
using ld=long double;
ld pie=3.141592653589793;
ll inf=6000000007999999999;
ll mod=1000000007;
int main(){
    ll n;
    cin >> n;
    if (n==0)
    {
        cout << -1 << endl;
        return 0;
    }
    
    ll ok=1;
    vector<ll>two(60,1);
    for (ll i = 1; i < 60; i++)
    {
        two[i]=two[i-1]*2;
    }
    vector<ll>ans;
    for (ll i = 60; i >=0; i--)
    {
        ll z;
        if (two[i]&n)
        {
            z=1;
        }else{
            z=0;
        }
        if (z==ok)
        {
            ans.push_back(two[i]);
            ok=1-ok;
        }
    }
    cout << ans.size() << endl;
    for (ll i = 0; i < ans.size(); i++)
    {
        cout << ans[i] << ' ';
    }
    cout << endl;
}