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

#code
n=int(input())
def power(a,n,mod):
    a=a%10
    res=1
    if(n==0):
        return 1
    while(n):
        if(1&n):
            res=(res*a)%mod
            n-=1
        else:
            a=(a*a)%mod
            n//=2
        #print(a,res)
    return res
print(power(1378,n,10))    
