#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin >> n;
    n=n%6;
    if(n==1) cout << 1;
    else if(n==2) cout << 4;
    else if(n==3) cout << 2;
    else if(n==4) cout << 8;
    else if(n==5) cout << 5;
    else if(n==0) cout << 7;
    cout << endl;
}