#include <iostream>
#include <stdio.h>

using namespace std;

int solve(int size, char c) {

	if(c=='B' || c=='R') return size;

	if(c=='N') {

		if(size < 3)
			return 1;
		else
			return 2;
 		
	
	}


	if(c=='K') {

		if(size<3)
			return size*size;
		else
			return 9;	
	
	}

}

int main(void) {
	
	int size;
	char c;

	while(scanf("%d %c",&size,&c) != EOF) {
		cout << solve(size, c) << endl;
	}

	return 0;
}