#include "bits/stdc++.h"
using namespace std;
int main()	{
  ios_base:: sync_with_stdio(false);
  cin.tie(NULL);
  cout.tie(NULL);
  long long S;
  cin >> S;
  vector<long long> A;
  while (S > 0) {
    long long low = 0, high = 1000000001;
    while (low <= high) {
      long long mid = (low + high) >> 1;
      if (mid * mid * 1LL <= S) {
        low = mid + 1;
      } else  {
        high = mid - 1;
      }
    }
    --low;
    A.push_back(low * low);
    S -= low * low;
  }
  int N = A.size();
  cout << N << endl;
  for (int w : A) {
    cout << w << " ";
  }
  cout << "\n";
}