#include <bits/stdc++.h>

using namespace std;

using ll = long long;

int main() {
    ll N; cin >> N;
    if (N == 0) {
        puts("-1");
        return 0;
    }
    ll ans = N ^ (N >> 1);
    cout << __builtin_popcountll(ans) << endl;
    for (int i=0; i<60; ++i) {
        if (ans & (1ull << i)) cout << (1ull << i) << " \n"[(ans ^= (1ull << i)) == 0];
    }
}