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

#include<bits\stdc++.h>
typedef long long ll;

using namespace std;
int solve()
{
    ll n;
    cin>>n;
    if(n%4==0)
        cout<<"6"<<endl;
    else if(n%4==1)
        cout<<"8"<<endl;
    else if(n%4==2)
        cout<<"4"<<endl;
    else if(n%4==3)
        cout<<"2"<<endl;
}
int main()
{
    solve();
}
