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

int s[1000005];

int32_t main() {
    ios_base::sync_with_stdio(0);
    int n;
    cin >> n;
    for (int i = 1; i <= n; i++) {
        s[i] = s[i - 1] + __builtin_popcount(i);
    }

    vector<int> res;
    int j = n;
    while (n > 0) {
        while (s[j - 1] >= n) j--;
        res.push_back(j);
        n -= __builtin_popcount(j);
    }

    cout << res.size() << "\n";
    for (auto i : res) cout << i << " ";
    cout << "\n";
}