#include<iostream.h>
int main()
{
  int n,i,k;
  cin >> n;
  i=2;
  k=0;
  while (k<=n) {
	if (i%3==0) {
	  cout << i ;
	  cout << "\n" ;
	  k=k+1;
	}
	i=i+2;
  }
  return 0;
}