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