#include <iostream>
#include <tuple>
using namespace std;

int N, A[1009], K;

int main() {
	cin >> K; int minx = 10000;
	for (int i = 0; i <= 140; i++) {
		for (int j = 0; j <= 140; j++) {
			for (int k = 0; k <= 140; k++) {
				if (j*k + i*(i - 1) / 2 != K) continue;

				if (minx > i + j + k) {
					minx = i + j + k;
					for (int l = 0; l < i; l++) A[l] = 1;
					for (int l = i; l < i + j; l++) A[l] = 3;
					for (int l = i + j; l < i + j + k; l++) A[l] = 8;
				}
			}
		}
	}
	cout << minx << endl;
	for (int i = 0; i < minx; i++) { if (i)cout << " "; cout << A[i]; }cout << endl;
	return 0;
}