#include <bits/extc++.h>
#include <atcoder/all>

using namespace std;
using ll = long long;
#define REP(i,n) for(int i=0;i<int(n);i++)
#define FOR(i,a,b) for(int i=a;i<=int(b);i++)
#define ALL(x) x.begin(),x.end()
#define INF INT_MAX
#define INFL LLONG_MAX / 4
using namespace atcoder;
using mint = modint998244353;
template<typename T> void chmin(T& a, T b) { a = min(a, b); }
template<typename T> void chmax(T& a, T b) { a = max(a, b); }
#define PR(x) cerr << #x << "=" << x << endl
using i128 = __int128_t;

int main() {
  ll s;
  cin >> s;
  vector<ll> ans;
  while(s) {
    ll ss = sqrtl(s);
    ll ss2 = ss * ss;
    s -= ss2;
    ans.push_back(ss);
  }
  cout << ans.size() << endl;
  REP(i, ans.size()) {
    cout << ans[i] << ' ';
  }
  

  return 0;
}