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