void setup() {
  // put your setup code here, to run once:
  pinMode(23, INPUT_PULLDOWN);
  pinMode(22, INPUT_PULLDOWN);
  pinMode(4, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
  if (digitalRead(23) == HIGH){
    digitalWrite(4, HIGH);
  }
  if (digitalRead(22) == HIGH){
    digitalWrite(4, LOW);
  }
}