int red = 8;
int blue = 10;
int green = 9;
int pot = A5; 

void setup()
{
  pinMode(red, OUTPUT);
  pinMode(blue, OUTPUT);
  pinMode(green, OUTPUT);
  
  pinMode(pot, INPUT);
  
  Serial.begin(9600);
}
void loop()
{
  int pot_reader = analogRead (A5);
  Serial.println(pot_reader);
  delay(5000);
  
 if (pot_reader < 256)
  { 
    digitalWrite(red, LOW);
    digitalWrite(blue, HIGH);
    digitalWrite(green, LOW);
  }
  else if (pot_reader < 512)
  {    
    digitalWrite(red, LOW);
    digitalWrite(blue, LOW);
    digitalWrite(green, HIGH); 
  }
  else if (pot_reader < 768)
  {    
    digitalWrite(red, HIGH);
    digitalWrite(blue, LOW);
    digitalWrite(green, LOW); 
    delay(100);
  }
   else if (pot_reader < 1024)
  {
    digitalWrite(red, LOW);
    digitalWrite(blue, LOW);
    digitalWrite(green, LOW);
  }
}