#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;

int main() {
  ll S; cin >> S;
  vector<ll> A;
  while (S) {
    ll left = 1, right = 1LL << 30;
    while (left + 1 < right) {
      ll mid = (left + right) / 2;
      if (mid * mid <= S) left = mid;
      else right = mid;
    }
    S -= left * left;
    A.push_back(left * left);
  }
  cout << A.size() << endl;
  for (int i = 0; i < A.size(); i++) cout << A[i] << " \n"[i == A.size() - 1];
}