#include <iostream>
#include <vector>
using namespace std;
typedef long long ll;

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