#include "RemovingParenthesis.cpp"

int main(int argc, char **argv)
{
  int i;
  class RemovingParenthesis TheClass;
  int retval;
  string s;

  if (argc != 2) { fprintf(stderr, "usage: a.out num\n"); exit(1); }

/*
  s = ;
*/


 if (atoi(argv[1]) == 0) {
    s = "()()()()()";
  }

 if (atoi(argv[1]) == 1) {
    s = "(((())))";
  }

 if (atoi(argv[1]) == 2) {
    s = "((()()()))";
  }

 if (atoi(argv[1]) == 3) {
    s = "(())(())(())";
  }

 if (atoi(argv[1]) == 4) {
    s = "((()))(()(()))((()))";
  }

  retval = TheClass.countWays(s);
  cout << retval << endl;

  exit(0);
}