#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for(int i=0;i<(n);i++)
#define Inf 1000000001



int main(){
	
	long long n;
	cin>>n;
	if(n==0){
		cout<<-1<<endl;
		return 0;
	}
	vector<long long> ans;
	for(int i=40;i>=0;i--){
		if((n>>i)&1){
			ans.push_back(1LL<<i);
			n ^= (1LL<<(i+1))-1;
		}
	}
	
	cout<<ans.size()<<endl;
	rep(i,ans.size()){
		if(i!=0)cout<<' ';
		cout<<ans[i];
	}
	cout<<endl;
	
	return 0;
}