#include <stdio.h>

int main()
{
  int N;
  char c;
  while (scanf("%d %c", &N, &c) != EOF) {
    int ret = N;

    if (c == 'K') {
      if (N == 1)
	ret = 1;
      else
	ret = 4;
    }// K
    if(c == 'N') {
      if (N <=2 )
	ret = 1;
      else
	ret = 2;
    }
    
    printf("%d\n" ,ret);

  }
  return 0;
}