#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,ans=0;
	cin>>n;
	if(n%2==0){
		for(int i=2;i<=n;i=2*i){
			ans++;
			cout<<i<<endl;
		}
		cout<<ans;
		return 0;
	}
	else{
		for(int i=2;i<=n-1;i=2*i){
			ans++;
			cout<<i<<endl;
		}
		cout<<ans+1;
		return 0;
	}
}

感觉没问题啊