#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef unsigned long long ull;
typedef long double ld;
int dx[8] = { 1, 0, -1, 0, 1, 1, -1, -1 }, dy[8] = { 0, 1, 0, -1, 1, -1, 1, -1 };
const long long mod = 998244353;
const ll inf = 1LL << 60;
const int INF = 5e8;

int main()
{
    ll s;
    cin >> s;
    ll S = s;
    int cnt = 0;
    while (s) {
        ll n = sqrt(s);
        s -= n * n;
        cnt++;
    }

    cout << cnt << endl;
    while (S) {
        ll n = sqrt(S);
        S -= n * n;
        cout << n * n << endl;
    }
}