#include <iostream>
#include <vector>

using namespace std;

int main() {
	int d;
	cin >> d;
	vector<int> a(d + 1);
	for (int i = 0; i <= d; ++i) {
		cin >> a[i];
	}
	vector<int> dividend(a);
	for (int i = d; i >= 3; --i) {
		int coef = dividend[i];
		int power = i - 3;
		vector<int> minuend(d + 1);
		// x^3 * coef * x ^ power
		minuend[power + 3] = coef;
		// -x * coef * x ^ power
		minuend[power + 1] = -coef;
		for (int k = d; k >= 0; --k) {
			dividend[k] -= minuend[k];
		}
	}
	int dd;
	for (dd = dividend.size() - 1; 
		dd > 0 && dividend[dd] == 0; 
		--dd) {
	}
	cout << dd << endl;
	for (int i = 0; i <= dd; ++i) {
		cout << dividend[i] << " ";
	}
	cout << endl;
}