public int blueTicket(int a, int b, int c) {
  int sumAB = a + b;
  int sumAC = a + c;
  int sumBC = b + c;

  if (sumAB == 10 || sumAC == 10 || sumBC == 10) {
    return 10;
  }
  else if (sumAB == sumBC + 10 || sumAB == sumAC + 10) {
    return 5;
  }
  else {
    return 0;
  }
}