int red=11;
int yellow=12;
int Green=13;

void setup() {
  // put your setup code here, to run once:
pinMode(red, OUTPUT);
pinMode(yellow, OUTPUT);
pinMode(Green, OUTPUT);
}
void loop() 
{
  // put your main code here, to run repeatedly:
digitalWrite(red, HIGH);
digitalWrite(yellow, LOW);
digitalWrite(Green, LOW);
delay(1500);

digitalWrite(red, LOW);
digitalWrite(yellow, HIGH);
digitalWrite(Green, LOW);
delay(500);

digitalWrite(red, LOW);
digitalWrite(yellow, LOW);
digitalWrite(Green, HIGH);
delay(5000);

digitalWrite(red, LOW);
digitalWrite(yellow, LOW);
digitalWrite(Green, LOW);
delay(2000);

digitalWrite(red, HIGH);
digitalWrite(yellow, HIGH);
digitalWrite(Green, HIGH);
delay(1000);

}