func_code_string: #include <bits/stdc++.h>   using namespace std;   long long n, m, i;   string s;   int main() {     char c;     cin >> s;     i = 0;     while (s[i] < 80) {       n *= 10;       n += s[i] - 48;       i++;     }     c = s[i];     if (n % 4 == 1) m = (n + 1) / 2;     if (n % 4 == 2) m = (n + 2) / 2;     if (n % 4 == 3) m = (n - 1) / 2;     if (n % 4 == 0) m = n / 2;     m--;     m *= 6;     m += n - 1;     if (n % 4 == 0) m -= 2;     if (n % 4 == 3) m -= 2;     if (c ==  f ) m++;     if (c ==  e ) m += 2;     if (c ==  d ) m += 3;     if (c ==  a ) m += 4;     if (c ==  b ) m += 5;     if (c ==  c ) m += 6;     cout << m;   }   