#include <bits/stdc++.h>
int main() {
  long long int n, i, t, k = 0, x, g, d = 0, j, m, w, sum = 0, count = 1;
  scanf("%lld", &n);
  long long int a[n], b[n];
  if (n == 0) {
    printf("1");
  } else if (n == 1) {
    printf("8");
  } else if (n % 2 == 0) {
    g = (n / 2);
    if (g % 2 == 0) {
      printf("6");
    } else {
      printf("4");
    }
  } else {
    m = (n / 2);
    if (m % 2 == 0) {
      printf("8");
    } else {
      printf("2");
    }
  }
  return 0;
}
