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

from math import pow
def main():
    n = int(input())
    if(n==0):
        print(1)
    elif(n==1):
        print(8)
    elif(n==2):
        print(4)
    else:
        i = n-3
        i = i%4
        if(i==0):
            print(2)
        elif(i==1):
            print(6)
        elif(i==2):
            print(8)
        elif(i==3):
            print(4)
if __name__=='__main__':
    main()