#include <iostream>
using namespace std;
int main()
{
    int K;
    cin >> K;
    for (int i = 1; i <= 30; i++) {
        for (int j = 1; j <= i; j++) {
            if (K == j * (j - 1) / 2 * (1LL << (i - j))) {
                cout << i << endl;
                for (int k = 0; k < j; k++) { cout << "1 "; }
                for (int k = j; k < i; k++) { cout << "0 "; }
                cout << endl;
                return 0;
            }
        }
    }
    return 0;
}