func_code_string: #include <bits/stdc++.h>   using namespace std;   unsigned short log2(unsigned short x) {     unsigned short log = 0;     while (x > 1) {       log++;       x /= 2;     }     return log;   }   int main() {     unsigned short a, b, n, r;     cin >> n >> a >> b;     a -= 1;     b -= 1;     n /= 2;     if (a / n != b / n)       cout <<  Final!  << endl;     else {       r = log2(n);       n /= 2;       while (a / n == b / n) {         n /= 2;         r -= 1;       }       cout << r << endl;     }     return 0;   }   