unsigned long time;
unsigned long time2;

void setup() {
  pinMode(2, INPUT);
  pinMode(3, INPUT);
  attachInterrupt(0, buttonB, RISING); //If buttonB is pressed, trigger interrupt 0
  attachInterrupt(1,buttonA,RISING); //If buttonA is pressed, trigger interrupt 1
  Serial.begin(9600);
}

void loop() {
  digitalWrite(LED_BUILTIN, LOW);
  delay(500);
  digitalWrite(LED_BUILTIN, HIGH);
  delay(500);
}

void buttonB() {
  time = micros(); //checks the micros time when button b is pressed
  Serial.print("Time in Micros: ");
  Serial.println(time); //Prints the time in micros
  delay(1000);
}

void buttonA() { //checks the millis time when button A is pressed
  time2 = millis();
  Serial.print("Time in Millis: ");
  Serial.println(time2); //Prints the time in millis
  delay(1000);
}