#include <bits/stdc++.h>
#define rep(i,n) for (int i=0; i<(n); ++i)
using namespace std;
using ll=long long;
int main(){
    int n;
    cin>>n;
    string s="0285714";
    if(n%6==0)cout<<4<<endl;
    else cout<<s[n%6]<<endl;
}