#include<bits/stdc++.h>
using namespace std;
int main(){
	int n;
	float h=0.0,i=2。0;
	cin>>n;
	while(i<=h){
		if(i%3=!0){
		    printf("%.0f\n",i);	
		}
		i=i+2;
	}
	
}	

/**************************************************************
	Problem: 1699
	User: zhengzihao3
	Language: C++
	Result: Compile Error
****************************************************************/