12
 1378
 51202278
 989898989
 4
 7
 9
 6
 8
 12193721
 999999995
 999999999
 11
 999999996
 999999998
 3
 14
 15
 10
 999999994
 1000
 13781378
 5
 999999997
 1000000000
 13
 16
 0

6
 4
 4
 8
 6
 2
 8
 4
 6
 8
 2
 2
 2
 6
 4
 2
 4
 2
 4
 4
 6
 4
 8
 8
 6
 8
 6
 1

def power(x,y):
    res=1 
    while(y):
        if(y%2):
            res=((res%10)*(x%10))%10 
            y=y-1 
        else:
            x=((x%10)*(x%10))%10 
            y=y//2 
    return res 
n=int(input())
a=8
print((power(a,n))%10)