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#include <iostream>
#include <vector>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(0); cout.tie(0);
    
    int n; cin >> n;
    int suma = 0;
    vector <int> ciag;
    ciag.push_back(0);
    
    for (int i = 1; suma <= n; i++)
    {
        ciag.push_back(i);
        suma += ciag[__builtin_popcount(i)];
    }
    
    for (int i = ciag.size() - 1; i > 0; i--)
    {
        if (suma == n) break;
        if (suma - ciag[__builtin_popcount(i)] >= n)
        {
            ciag[i] = 0;
            suma -= ciag[__builtin_popcount(i)];
        }
    }
    
    suma = 0;
    for (int i = 1; i < ciag.size(); i++)
        if (ciag[i] != 0) suma++;
    
    cout << suma << endl;
    
    for (size_t i = ciag.size() - 1; i > 0; i--)
    {
        if (ciag[i] == 0) continue;
        cout << ciag[i] << " ";
    }
    
    return 0;
}