volatile int32_t count = 0; 
volatile uint32_t buttonCount1 = 0; 
volatile uint32_t buttonCount2 = 0;

void incrementCount() {
  count++;
  buttonCount1++;
}

void decrementCount() {
  count--;
  buttonCount2++;
}

void setup() {
  Serial.begin(115200);

  pinMode(2, INPUT_PULLUP);
  pinMode(3, INPUT_PULLUP);

  attachInterrupt(digitalPinToInterrupt(2), incrementCount, RISING);
  attachInterrupt(digitalPinToInterrupt(3), decrementCount, RISING);
}

void loop() {
  Serial.print("Лічильник: ");
  Serial.println(count);

  if(buttonCount1 % 10 == 0)
  {
    Serial.print("Натискань кнопки 1: ");
    Serial.println(buttonCount1);
  }

  if(buttonCount2 % 10 == 0)
  {
    Serial.print("Натискань кнопки 2: ");
    Serial.println(buttonCount2);
  }

  delay(100);
}