#include<bits/stdc++.h>
typedef int64_t i64;
using namespace std;

int main(){
  i64 N;
  cin>>N;
  if(N==0){
    cout<<-1<<endl;
    return 0;
  }
  vector<i64> A;
  for(int i=39;i>=0;--i){
    if((N>>i)&1){
      A.emplace_back(i64(1)<<i);
      N^=(i64(1)<<(i+1))-1;
    }
  }
  cout<<A.size()<<endl;
  for(size_t i=0;i<A.size();++i){
    cout<<A[i]<<" \n"[i==A.size()-1];
  }
}