#include<bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;

#define all(v) v.begin(),v.end()
using ll = long long;
using ull = unsigned long long;
using vll=vector<ll>;
using vvll = vector<vector<ll>>;
using P = pair<ll,ll>;
using vp=vector<pair<ll, ll>>;

const ll INF=1ll<<60;
ll mod10=1e9+7;
ll mod99=998244353;
const double PI = acos(-1);

#define rep(i,n) for (ll i=0;i<n;++i)
#define per(i,n) for(ll i=n-1;i>=0;--i)
#define rep2(i,a,n) for (ll i=a;i<n;++i)
#define per2(i,a,n) for (ll i=a;i>=n;--i)

template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return true; } return false; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return true; } return false; }

int main(){
    ll S;
    cin>>S;
    vll ans;
    while(S){
        ll l=1,r=1e9+2;
        while(r-l>1){
            ll m=(r+l)/2;
            if(m*m<=S)l=m;
            else r=m;
        }
        ans.push_back(l*l);
        S-=l*l;
    }

    cout << ans.size() << endl;
    rep(i,ans.size()) cout<<ans[i]<<(i==ans.size()-1?"\n":" ");

}