LED Traffic Light

// created by Arseniy Nechaev
void setup() {     // This is to set up the pins on your Arduino UNO
  pinMode(13, OUTPUT)
;  pinMode(12, OUTPUT)
;  pinMode(11, OUTPUT)

;}

void loop() { // Code put in here will run over and over again
  digitalWrite(13, HIGH)
;  delay(2000)
 ; digitalWrite(13, LOW)
 ; digitalWrite(12, HIGH)
 ; delay(1000)
 ; digitalWrite(12, LOW)
 ; digitalWrite(11, HIGH)
 ; delay(2000)
 ; digitalWrite(11, LOW)
  

;}