#include<bits/stdc++.h>
//#include<AC自动机>
using namespace std;
#define ll long long
#define db double
int main(){
	ios::sync_with_stdio(false),cin.tie(NULL);
	char x;
	int y;
	cin>>x>>y;
	if(x=='a'&&y>1&&y<8) cout<<5;
	if(x=='a'&&y==1) cout<<3;
	if(x=='a'&&y==8) cout<<3;
	if(x=='h'&&y==1) cout<<3;
	if(x=='h'&&y==8) cout<<3;
	if(x=='h'&&y>1&&y<8) cout<<5;
	if(x!='a'&&x!='h'&&y>1&&y<8) cout<<8;
	return 0;
}