#include <string>
#include <iostream>

using namespace std;

	
int main(){
	ios_base::sync_with_stdio(false);	
	
	int N;
	while(cin >> N){
		char T;
		cin >> T;
		switch(T){
			case 'K':
				N = N > 1 ? 4 : 1;
				break;
			case 'N':
				N =  N <= 2 ? 1 : 2;
				break;
		}
		cout << N << endl;
	}
	
	return 0;
}