define active high
define active low


void setup() {
  // put your setup code here, to run once:
  pinMode(high, INPUT);
  pinMode(low, INPUT);

  Serial.begin(115200);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
  Serial.print()digitalRead(high);
  Serial.print(" ");
  Serial.println(digitalRead(low));
}