#include <bits/stdc++.h>
using namespace std;
#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it)
#define ALLOF(c) (c).begin(), (c).end()
typedef long long ll;
typedef unsigned long long ull;

ll calc(ll zero, ll one){
  if(one <= 1) return 0;
  ll p = 1;
  rep(i,zero) p <<= 1;
  return one*(one-1)/2LL * p;
}


int main(){
  ll K;
  cin >> K;

  REP(N,1,31){
    rep(zero,N+1){
      int one = N-zero;
      if(calc(zero, one) == K){
        vector<int> ret;
        rep(i,zero) ret.push_back(0);
        rep(i,one) ret.push_back(1);
        cout << ret.size() << endl;
        rep(i,ret.size()){
          if(i>0) cout << " ";
          cout << ret[i];
        }
        cout << endl;
        return 0;
      }
    }
  }
  
  return 0;
}