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#include <bits/stdc++.h>
using namespace std;template<class A,class B>auto&operator<<(ostream&o,pair<A,B>
x){return o<<'('<<x.first<<' '<<x.second<<')';}template<class T>auto operator<<(
ostream&o,T x)->decltype(x.end(),o){o<<'{';int i=0;for(auto e:x)o<<(", ")+2*!i++
<<e;return o<<'}';}
#ifdef DEBUG
#define LOG(x...)cerr<<"["#x"]: ",[](auto...$){((cerr<<$<<"; "),...)<<'\n';}(x)
#else
#define LOG(x...)
#endif

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	int value;
	cin >> value;

	if (value == 1) {
		cout << "1\n1\n";
		return 0;
	}

	vector<int> values(1);

	for (int number = 1; true; number++) {
		int next = values.back() + __builtin_popcount(number);
		values.push_back(next);
		
		if (next >= value)
			break;
	}
	
	vector<int> result;
	int index = values.size() - 1;

	while (index > 0) {
		result.push_back(index);
		value -= __builtin_popcount(index);
		
		do {
			index--;
		} while (index > 0 && values[index - 1] >= value);
	}

	cout << result.size() << '\n';

	for (auto value : result)
		cout << value << ' ';

	cout << '\n';
}