#include "ColorfulRoad.cpp"

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

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

  if ((string) argv[1] == "-") {
    cin >> road;
  } else {

    if (atoi(argv[1]) == 0) {
      road = "RGGGB";
    }
  
    if (atoi(argv[1]) == 1) {
      road = "RGBRGBRGB";
    }
  
    if (atoi(argv[1]) == 2) {
      road = "RBBGGGRR";
    }
  
    if (atoi(argv[1]) == 3) {
      road = "RBRRBGGGBBBBR";
    }
  
    if (atoi(argv[1]) == 4) {
      road = "RG";
    }
  
    if (atoi(argv[1]) == 5) {
      road = "RBRGBGBGGBGRGGG";
    }
  }

  retval = TheClass.getMin(road);
  cout << retval << endl;

  exit(0);
}