#include <iostream>
using namespace std;
int main()
{
	int N;
	cin >> N;
	switch (N%6)
	{
	case 0:
		N = 4;
		break;
	case 1:
		N = 2;
		break;
	case 2:
		N = 8;
		break;
	case 3:
		N = 5;
		break;
	case 4:
		N = 7;
		break;
	case 5:
		N = 1;
		break;
	}
	cout << N << endl;
	return 0;
}