#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i,m,n) for(int i=m; i<n; ++i)
#define repl(i,m,n) for(ll i=m; i<n; ++i)

int main(){
    ll S;
    cin >> S;

    vector<ll> ans;
    while(S > 0LL){
        ll ok = 0LL, ng = ll(1e9 + 100);
        while(ok + 1LL != ng){
            ll mid = (ok + ng)/2LL;
            if(mid * mid > S) ng = mid;
            else ok = mid;
        }
        ans.push_back(ok*ok);
        S -= ok*ok;
    }

    int n = ans.size();
    cout << n << endl;
    rep(i, 0, n){
        cout << ans[i];
        cout << (i == n-1 ? '\n' : ' ');
    }

    return 0;
}