//initializing all pins to be used
int potent = A4;
int RedledPin = 12;
int YellowledPin = 10;
int GreenledPin = 8;
int x = 0;    

void setup() 
{
  // put your setup code here, to run once:

  Serial.begin(9600);
  pinMode(A4, INPUT);
  pinMode(RedledPin, OUTPUT);
  pinMode(YellowledPin, OUTPUT);
  pinMode(GreenledPin, OUTPUT);

}

void loop() 
{
  // put your main code here, to run repeatedly:

  x = analogRead(potent);
  //Serial.printIn(x);

  digitalWrite(RedledPin, HIGH);
  delay(x);
  digitalWrite(RedledPin, LOW);
  delay(x);

  digitalWrite(YellowledPin, HIGH);
  delay(x/2);
  digitalWrite(YellowledPin, LOW);
  delay(x/2);

  digitalWrite(GreenledPin, HIGH);
  delay(x);
  digitalWrite(GreenledPin, LOW);
  delay(x);


}