main(int argc, char** argv)
{
  if(argc < 3) {
    printf("Sorry, I didn't understand that\n");
    printf("usage: temp <numeric temp> <F|C>\n");
    exit(99);
  }
  if(strcasecmp(argv[2], "C") ==0) {
    int x = atoi(argv[1]);
    printf("%d Celsius \t <-->\t %d Farenheit\n", x, 9*x/5+32);
  } else if(strcasecmp(argv[2], "F") ==0) {
           int x = atoi(argv[1]);
           printf("%d Farenheit \t <-->\t %d Celsius\n", x, (x-32)*5/9);
  } else {
          printf("Sorry, I didn't understand that\n");
          printf("usage: temp <numeric temp> <F|C>\n");
  }
  return 0;
}