#include <bits/stdc++.h>
using namespace std;

int main() {
  int k;
  cin>>k;
  if (k == 0) {
    cout<<1<<endl;
    cout<<0<<endl;
    return 0;
  }
  for (int n=2; n<=30; n++) {
    for (int num1=2; num1<=n; num1++) {
      int num0 = n - num1;
      if ((long long)pow(2, num0) * num1 * (num1 - 1) / 2 == k) {
        cout<<n<<endl;
        for (int i=0; i<num0; i++) {
          cout<<0<<" ";
        }
        for (int i=0; i<num1; i++) {
          cout<<1;
          if (i != num1) {
            cout<<" ";
          }
        }
        cout<<endl;
        return 0;
      }
    }
  }
}