#include<stdio.h>

int main(void){
    
    int N;
    scanf("%d",&N);
    
    int n = N%6;
    
    if(n==0)printf("4\n");
    else if(n==1)printf("2\n");
    else if(n==2)printf("8\n");
    else if(n==3)printf("5\n");
    else if(n==4)printf("7\n");
    else if(n==5)printf("1\n");
    
 
    return 0;
    
}