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

int main(){
  ll s;
  cin>>s;
  vector<ll> ans;
  while(s!=0){
    ll ok=0,ng=s+1;
    while(abs(ok-ng)>1){
      ll mid=(ok+ng)/2;
      if(mid*mid<=s){
        ok=mid;
      }else{
        ng=mid;
      }
    }
    s-=ok*ok;
    ans.push_back(ok*ok);
  }
  cout<<ans.size()<<endl;
  for(ll u:ans){
    cout<<u<<" ";
  }
}