#include<stdio.h>

int main(){
  int n,k;
  scanf("%d",&n);
  k = n % 6;
  switch(k){
  case 0:
    printf("4");
    break;
  case 1:
    printf("2");
    break;
  case 2:
    printf("8");
    break;
  case 3:
    printf("5");
    break;
  case 4:
    printf("7");
    break;
  case 5:
    printf("1");
    break;
  }
}