#include <cstdio>
#include <cstdlib>

#include "NumberMagicEasy.cpp"

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

  if (argc != 2) { 
     fprintf(stderr, "usage: a.out num\n"); 
     fprintf(stderr, "       use -1 to enter four Y|N's on stdin\n"); 
     exit(1); 
  }

/*
  answer = ;
*/


  if (atoi(argv[1]) == -1) {
    if (!(cin >> answer)) exit(0);
    if (answer.size() != 4) { fprintf(stderr, "Input has to be four Y's or N's.\n"); exit(1); }
    for (i = 0; i < answer.size(); i++) {
      if (answer[i] != 'Y' && answer[i] != 'N') {
        fprintf(stderr, "Input has to be four Y's or N's.\n"); 
        exit(1); 
      }
    }
  }

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

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

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

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

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

  retval = TheClass.theNumber(answer);
  cout << retval << endl;

  exit(0);
}