#include <stdio.h>

int main(void)
{
	long n;
	int  a;

	scanf("%ld", &n);

	switch (n % 6) {
		case 0: a = 4; break;
		case 1: a = 2; break;
		case 2: a = 8; break;
		case 3: a = 5; break;
		case 4: a = 7; break;
		case 5: a = 4; break;
	}

	printf("%d\n", a);

	return 0;
}