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

int main() {
	long long S;
	cin >> S;
	vector<long long> A;
	while(S) {
		long long ok = 1, ng = 1LL<<30;
		while( ok+1 < ng ) {
			long long k = (ok+ng)/2;
			if( k*k <= S ) ok = k;
			else ng = k;
		}
		S -= ok*ok;
		A.push_back(ok*ok);
	}
	cout << A.size() << endl;
	for( long long x : A ) cout << x << " ";
}