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

var n = parseInt(readline());

if (n !== 0) {
    n %= 4;
    if (n === 0) {
        print(6);
    }
    else if (n == 1) {
        print(8);
    }
    else if (n == 2) {
        print(4);
    }
    else {
        print(2);
    }
}
else {
     print(1);
}
