void setup() {
  pinMode(26, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(12, INPUT);
  pinMode(14, INPUT);
  pinMode(27, INPUT);
}

void loop() {
  //red
  if(digitalRead(12) == HIGH){
    digitalWrite(26, HIGH);
  }
  else{
    digitalWrite(26, LOW);
  }

  //yellow
  if(digitalRead(14) == HIGH){
    digitalWrite(2, HIGH);
  }
  else{
    digitalWrite(2, LOW);
  }

  //Green
  if(digitalRead(27) == HIGH){
    digitalWrite(13, HIGH);
  }
  else{
    digitalWrite(13, LOW);
  }
  delay(10); // this speeds up the simulation
}