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

    function sa(data){
        if(data === 0){
            return 1;
        }
         var k = (data % 4 );
        if(k === 0){
            return 6;
        }
        if(k==1){
            return 8;
        }
        if(k==2){
            return 4
        }
        if(k==3){
            return 2
        }
    }
    print(sa(Number(readline())));