#include <bits/stdc++.h>   using namespace std;   const long long int MOD = 1e9 + 7;   const long long int INF = 1e10;   int32_t main() {     ios::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     string s;     cin >> s;     char c = s[0];     long long int a = s[1] -  0 ;     long long int ans = 0;     for (long long int i = -1; i <= 1; i++) {       for (long long int j = -1; j <= 1; j++) {         if (i == j && i == 0) continue;         if ((char)(c + i) <=  h  && (char)(c + i) >=  a ) {           if (a + j >= 1 && a + j <= 8) ans++;         }       }     }     cout << ans;     return 0;   }   