#include <cstdlib>
#include <iostream>

using namespace std;
/*
class Field {
    
private:
    bool marked;
    
public:
    
    Field() {
        marked = false;
    }
    
    void mark() {
        marked = true;
    }
    
    bool isMarked() {
        return marked;
    }
    
};

Field ** createField(int s) {
    Field ** f = new Field*[s];
    for (int i = 0; i < s; i++) {
        f[i] = new Field[s];
    }
}
void deleteField(Field ** f, int s) {
    for (int i = 0; i < s; i++) {
        delete[] f[i];
    }
    delete[] f;
}

void rookDance2(int s) {
    
    
    
    for (auto i = field.start(); i != field.end(); i++) {
        for (auto j = i->start(); j != i->end(); j++) {
            if (isPossibleToPlace())
        }
        
    }  
    
}
 */


void kingDance(int s){//ok
    if ( s == 1)
        cout << 1<< endl;
    else
        cout << 4 << endl;
}
void knightDance(int s){//ok
    if ( s == 1 || s == 2 )
        cout << 1 << endl;

    else
        cout << 2 << endl;
}
void rookDance(int s){
    if ( s == 1 ){
        cout << 1 << endl;
        return;
    }
    else
    cout << s << endl;
}
void bishopDance(int s )
{
    cout << s << endl;
}
int main(int argc, char** argv) {
    int s;
    while ( cin >> s ){
        char dance;
        cin >> dance;
        switch(dance) {
            case 'K': {
                kingDance(s);
                break;
            }
            case 'N': {
                knightDance(s);
                break;
            }
            case 'B': {
                bishopDance(s);
                break;
            }
            case 'R': {
                rookDance(s);
                break;
            }
        }
    }
    return 0;
}