#include <iostream>
#include <vector>
#include <cmath>
using namespace std;

void check_bits(long long num) {
    if (num == 0) {
        cout << "-1" << endl;
        return;
    }
    
    vector<long long> result;
    int msb = 63; // Assuming 64-bit integer
    while (msb >= 0 && ((num >> msb) & 1) == 0) {
        msb--;
    }
    
    int counter = 1;
    result.push_back(1LL << msb);
    
    for (int i = msb - 1; i >= 0; i--) {
        int bit = (num >> i) & 1;
        if (bit == 0 && counter) {
            result.push_back(1LL << i);
            counter = 0;
        } else if (bit == 1 && counter == 0) {
            result.push_back(1LL << i);
            counter = 1;
        }
    }
    
    cout << result.size() << "\n";
    for (long long val : result) {
        cout << val << " ";
    }
    cout << endl;
}

int main() {
    long long num;
    cin >> num;
    check_bits(num);
    return 0;
}