#include <iostream>

int main(int argc, char const *argv[])
{
  int s; char c;
  while (std::cin >> s)
  {
    std::cin >> c;

    if (c == 'K')
    {
      if (s > 2)
      {
        std::cout << "4\n";
        continue;
      }
      else
      {
        std::cout << "1\n";
        continue;
      }
    }
    else if (c == 'N')
    {
      if (s < 2)
      {
        std::cout << "1\n";
        continue;
      }
      else
      {
        std::cout << (s - 1) << "\n";
        continue;
      }
    }
    else
    {
      std::cout << s << "\n";
    }
  }

  return 0;
}