#include "bits/stdc++.h"
using namespace std;
void __print(int x) {cout << x;}
void __print(long x) {cout << x;}
void __print(long long x) {cout << x;}
void __print(unsigned x) {cout << x;}
void __print(unsigned long x) {cout << x;}
void __print(unsigned long long x) {cout << x;}
void __print(float x) {cout << x;}
void __print(double x) {cout << x;}
void __print(long double x) {cout << x;}
void __print(char x) {cout << '\'' << x << '\'';}
void __print(const char *x) {cout << '\"' << x << '\"';}
void __print(const string &x) {cout << '\"' << x << '\"';}
void __print(bool x) {cout << (x ? "true" : "false");}
template<typename T, typename V>
void __print(const pair<T, V> &x)
 {cout << '{'; __print(x.first); cout << ','; __print(x.second); cout << '}';}
template<typename T>
void __print(const T &x)
{int f = 0; cout << '{'; for (auto &i: x) cout << (f++ ? "," : ""), __print(i); cout << "}";}
void _print() {cout << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cout << ", "; _print(v...);}
#ifndef ONLINE_JUDGE
#define debug(x...) cout << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif
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 (high - low > 1) {
      long long mid = (low + high) >> 1;
      if (mid * mid <= S) {
        low = mid;
      } else  {
        high = mid;
      }
    }
    A.push_back(low * low);
    S -= low * low;
  }
  int N = A.size();
  cout << N << endl;
  for (long long w : A) {
    cout << w << " ";
  }
  cout << "\n";
}