#include <bits/stdc++.h>

using namespace std;
void fast_io() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
}

int main() {
    fast_io();
    long long s;
    cin >> s;
    vector<long long> ans;
    while (s) {
        long long l = 0, r = 2e9;
        while (l + 1 < r) {
            long long mid = (l + r) / 2;
            if (mid * mid <= s) {
                l = mid;
            } else {
                r = mid;
            }
        }
        ans.push_back(l * l);
        s -= l * l;
    }
    cout << ans.size() << "\n";
    for (long long i : ans) {
        cout << i << " ";
    }
    cout << "\n";
}