#include <iostream>

using namespace std;

int k;

int main() {
    scanf("%d", &k);

    if (k == 0) {
        puts("1\n1");
        return 0;
    }

    for (int c1 = 0; c1 <= 250; ++c1) {
        int cnt1 = c1 * (c1 - 1) / 2;
        if (cnt1 == k) {
            printf("%d\n", c1);
            for (int i = 1; i <= c1; ++i) {
                printf("%d%c", 1, " \n"[i == c1]);
            }
            return 0;
        }
        int cnt2 = k - cnt1;
        for (int c2 = 1; c2 < 250 - c1; ++c2) {
            if (cnt2 % c2 != 0) continue;
            int c3 = cnt2 / c2;
            if (c2 + c3 >= 250 - c1) continue;
            printf("%d\n", c1 + c2 + cnt2 / c2);
            for (int i = 1; i <= c1; ++i) printf("1 ");
            for (int i = 1; i <= c2; ++i) printf("3 ");
            for (int i = 1; i <= c3; ++i) printf("%d%c", 8, " \n"[i == c3]);
            return 0;
        }
    }

    return 0;
}