#include <bits/stdc++.h>
using namespace std;
#if __has_include("Today's/debug.cpp")
#include "Today's/debug.cpp"
#else
#define debug(...)
#define print_line
#define debugc(...)
#define cerr \
	if (false) cerr
#endif
mt19937 mt;
random_device rnd;

void run() {
	long long s;
	cin >> s;

	auto Solve = [&]() {
		vector<long long> A;
		while (s > 0) {
			long long now = 1;
			while ((now + 1) * (now + 1) <= s) {
				now++;
			}
			A.push_back(now * now);
			s -= now * now;
		}
		cout << A.size() << endl;
		for (int i = 0; i < (int)A.size(); i++) {
			cout << A[i] << ' ';
		}
		cout << endl;
	};
	Solve();
}

int main() {
	mt.seed(rnd());
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	int t = 1;
	// cin >> t;
	while (t--) {
		run();
	}
}