#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define ALL(v) v.begin(),v.end()
typedef long long ll;
 
#include<bits/stdc++.h>
using namespace std;
 
int main(){
  ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
  
  ll s;
  cin>>s;
  vector<ll> A;
  while(s){
    ll a=sqrt(s);
    if((a+1)*(a+1)<=s){
      A.push_back((a+1)*(a+1));
      s-=(a+1)*(a+1);
    }
    else if(a*a<=s){
      A.push_back(a*a);
      s-=a*a;
    }
    else{
      A.push_back((a-1)*(a-1));
      s-=(a-1)*(a-1);
    }
  }
  int b=A.size();
  cout<<b<<endl;
  rep(i,b){
    if(i) cout<<" ";
    cout<<A[i];
  }
  cout<<endl;
    
  return 0;
}