Codeforces 742A . Arpa’s hard exam and Mehrdad’s naive cheat Solution

Solve in C++:

///**********ALLAH IS ALMIGHTY************///
///AH Tonmoy
///Department of CSE
///Islamic University,Bangladesh

#include<bits/stdc++.h>
using namespace std;
int main()
{

    int i,n;
    while(cin>>n)
    {
        if((n%4)==1)
            cout<<"8"<<endl;
        else if ((n%4)==2)
            cout<<"4"<<endl;
        else if((n%4)==3)
            cout<<"2"<<endl;
        else if((n%4)==2)
            cout<<"2"<<endl;
        else if(n==0)
            cout<<"1"<<endl;
        else if((n%4)==0)
            cout<<"6"<<endl;

        else
            cout<<"0"<<endl;
    }

}