void setup() {
  Serial.begin(115200);
  pinMode(0, INPUT_PULLUP);
  pinMode(14, INPUT_PULLUP);
  PCICR |= (1 << PCIE1);
  PCMSK1   |= (1 << PCINT10) | (1 << PCINT8); 
}

ISR(PCINT1_vect) {
  Serial.println("PCINT1!");
}

void loop() {
}