#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
//const long nPrime = 1000000007;
//const long nPrime = 998244353;
typedef long long ll;
int main() {
    ll n;
    cin >> n;
    if(n==0){
        cout << -1 << endl;
        return 0;
    }
    vector<ll> viNum(50,0), viOrd(51,1);
    for(ll i = 0; i < 50; i++){
        viNum[i] = n%2;
        n /= 2;
        viOrd[i+1] = viOrd[i]*2;
    }
    
    vector<ll> viAns;
    for(ll i = 49; i >= 1; i--){
        if(viNum[i] != viNum[i-1]){
            viAns.push_back(viOrd[i-1]);
        }
    }
    
    cout << viAns.size() <<endl;
    for(ll i = 0; i < viAns.size(); i++){
        cout << viAns[i] << " ";
    }
    cout << endl;
    return 0;
}