#include<iostream>
#include<bits/stdc++.h>
using namespace std;
int main()
{
unsigned int b;
cin>>b;
if(b!=0)
{
if(b%4==0)
cout<<6<<endl;
if(b%4==1)
cout<<2<<endl;
if(b%4==2)
cout<<4<<endl;
if(b%4==3)
cout<<8<<endl;
}
else
cout<<1<<endl;
return 0;
}
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