#include <iostream>
using namespace std;
int main(void){
    // Your code here!
    int N;
    cin>>N;
    if(N%6==1){cout<<2<<endl;}
    else if(N%6==2){cout<<8<<endl;}
    else if(N%6==3){cout<<5<<endl;}
    else if(N%6==4){cout<<7<<endl;}
    else if(N%6==5){cout<<1<<endl;}
    else if(N%6==0){cout<<4<<endl;}
    return 0;
}