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

int main()
{
    long long N; cin >> N;
    if(N == 0)
    {
        cout << -1 << endl;
        return 0;
    }
    vector<long long> ans;
    for(int K = 50; K>=0; --K)
    {
        if(N&(1LL<<K))
        {
            ans.push_back(1LL<<K);
            N ^= (1LL<<(K+1))-1;
        }
    }
    cout << ans.size() << endl;
    for(long long x: ans) cout << x << " ";
    cout << endl;
}