#include<bits/stdc++.h>
using namespace std;
int main(){
		int n;
		cin>>n;
		for (int i=1;i<=n;i++){
			if(i%2==0&&i%3!=0){
				cout<<i<<endl;
			}
		}
    return 0;
}
/**************************************************************
	Problem: 1699
	User: xiaojingxuan
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/