#include <iostream>
using namespace std;

int main(){
    int K,c_0,c_1;
    cin >> K;
    for(c_0 = 0; c_0 == 0 || K % (1 << (c_0 - 1)) == 0; c_0++)
    {
        if (c_0 == 0) {
            for(c_1 = 0; c_1 * (c_1 - 1) < K * 2; c_1++) {}
            if (c_1 * (c_1 - 1) == K * 2) {
                break;
            }
        }
        else {
            for (c_1 = 0; c_1 * (c_1 - 1) < K / (1 << (c_0 - 1)); c_1++) {}
            if (c_1 * (c_1 - 1) == K / (1 << (c_0 - 1))) {
                if (c_0 + c_1 <= 30) break;
            }
        }
    }
    cout << c_0 + c_1 << endl;
    if (c_0 + c_1 == 0) {
        cout << 0;
    }
    else {
        for(int i = 0; i < c_0; i++)
        {
            cout << 0 << " ";
        }
        for(int i = 0; i < c_1; i++)
        {
            cout << 1 << " ";
        }
    }
    cout << endl;
    return 0;
}