#include <bits/stdc++.h>
using namespace std;
int main(){
  long long S;
  cin >> S;
  vector<long long> A;
  while (S > 0){
    long long tv = 0, fv = 1000000001;
    while (fv - tv > 1){
      long long mid = (tv + fv) / 2;
      if (mid * mid <= S){
        tv = mid;
      } else {
        fv = mid;
      }
    }
    A.push_back(tv * tv);
    S -= tv * tv;
  }
  int N = A.size();
  cout << N << endl;
  for (int i = 0; i < N; i++){
    cout << A[i];
    if (i < N - 1){
      cout << ' ';
    }
  }
  cout << endl;
}