Led Car Blinker TinkerCAD Code

char input;
int rightPin = 10;
int leftPin = 11;

void setup()
{
  pinMode(rightPin, OUTPUT);
  pinMode(leftPin, OUTPUT);
  Serial.begin(9600);
}

void loop()
{
  if(Serial.available() > 0){
    input = Serial.read();
  }
    if(input == 'l'){
        Serial.println("Turning left.");
        digitalWrite(rightPin, LOW);
        digitalWrite(leftPin, HIGH);
        delay(500);
        digitalWrite(leftPin, LOW);
        digitalWrite(rightPin, LOW);
        delay(500);
    }else if(input == 'r'){
        Serial.println("Turning right.");
        digitalWrite(leftPin, LOW);
        digitalWrite(rightPin, HIGH);
        delay(500);
        digitalWrite(leftPin, LOW);
        digitalWrite(rightPin, LOW);
        delay(500);
    }else if(input == 'e'){
        Serial.println("Emergency.");
        digitalWrite(leftPin, HIGH);
        digitalWrite(rightPin, HIGH);
        delay(500);
        digitalWrite(leftPin, LOW);
        digitalWrite(rightPin, LOW);
        delay(500);
    }
}