#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
#define rep(i, n) for(int i=0;i<(n);++i)
#define rep1(i, n) for(int i=1;i<=(n);i++)
#define ll long long
using mint = modint998244353;
using P = pair<ll,ll>;
using lb = long double;
using T = tuple<ll, ll, ll>;
#ifdef LOCAL
#  include <debug_print.hpp>
#  define dbg(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__)
#else
#  define dbg(...) (static_cast<void>(0))
#endif

int main()
{
    ll s;
    cin >> s;
    vector<ll> ans;
    while(s){
        ll high = 1e9;
        ll low = 1;
        while(high-low>1){
            ll mid = (high+low)/2;
            if(mid*mid<=s) low = mid;
            else high = mid;
        }
        s -= low*low;
        ans.push_back(low*low);
    }
    cout << ans.size() << endl;
    for(auto a : ans){
        cout << a << " ";
    }
    cout << endl;
    return 0;
}