const int Green_Led_pin = 3;

const int Red_Led_pin = 4;

const int Yellow_Led_pin = 5;

int dt  = 1000;

int da = 500;

int db = 700;

int dc = 200;

int dd = 100;

int de = 150;

int df = 300;

int dg = 400;

int dh = 50;

 

 void setup() {

  // put your setup code here, to run once:

pinMode(Green_Led_pin, OUTPUT);

pinMode(Red_Led_pin, OUTPUT);

pinMode(Yellow_Led_pin, OUTPUT);

}

 

void loop() {

  // put your main code here, to run repeatedly:

 

digitalWrite(Green_Led_pin, HIGH);

delay(dc);

digitalWrite(Green_Led_pin,  LOW);

delay(dd);

 

digitalWrite(Red_Led_pin, HIGH);

delay(dc);

digitalWrite(Red_Led_pin,  LOW);

delay(dd);

 

digitalWrite(Yellow_Led_pin, HIGH);

delay(dc);

digitalWrite(Yellow_Led_pin,  LOW);

delay(df);

 

digitalWrite(Green_Led_pin, HIGH);

delay(dc);

digitalWrite(Green_Led_pin,  LOW);

delay(df);

 

digitalWrite(Red_Led_pin, HIGH);

delay(dc);

digitalWrite(Red_Led_pin,  LOW);

delay(dh);

 

digitalWrite(Yellow_Led_pin, HIGH);

delay(dc);

digitalWrite(Yellow_Led_pin,  LOW);

delay(dh);

 

digitalWrite(Green_Led_pin, HIGH);

delay(dc);

digitalWrite(Green_Led_pin,  LOW);

delay(dh);

 

digitalWrite(Red_Led_pin, HIGH);

delay(dc);

digitalWrite(Red_Led_pin,  LOW);

delay(dh);

 

digitalWrite(Yellow_Led_pin, HIGH);

delay(dc);

digitalWrite(Yellow_Led_pin,  LOW);

delay(da);

 

digitalWrite(Green_Led_pin, HIGH);

delay(dc);

digitalWrite(Green_Led_pin,  LOW);

delay(dd);

 

digitalWrite(Red_Led_pin, HIGH);

delay(dc);

digitalWrite(Red_Led_pin,  LOW);

delay(dd);

 

digitalWrite(Yellow_Led_pin, HIGH);

delay(dc);

digitalWrite(Yellow_Led_pin,  LOW);

delay(dd);

 

digitalWrite(Green_Led_pin, HIGH);

delay(dc);

digitalWrite(Green_Led_pin,  LOW);

delay(dd);

 

digitalWrite(Red_Led_pin, HIGH);

delay(dc);

digitalWrite(Red_Led_pin,  LOW);

delay(da);

 

digitalWrite(Yellow_Led_pin, HIGH);

delay(dc);

digitalWrite(Yellow_Led_pin,  LOW);

delay(dd);

 

digitalWrite(Green_Led_pin, HIGH);

delay(dc);

digitalWrite(Green_Led_pin,  LOW);

delay(dh);

 

digitalWrite(Red_Led_pin, HIGH);

delay(dc);

digitalWrite(Red_Led_pin,  LOW);

delay(dh);

 

digitalWrite(Yellow_Led_pin, HIGH);

delay(dc);

digitalWrite(Yellow_Led_pin,  LOW);

delay(dh);

 

digitalWrite(Green_Led_pin, HIGH);

delay(dc);

digitalWrite(Green_Led_pin,  LOW);

delay(df);

 

digitalWrite(Red_Led_pin, HIGH);

delay(dc);

digitalWrite(Red_Led_pin,  LOW);

delay(df);

 

digitalWrite(Yellow_Led_pin, HIGH);

delay(dc);

digitalWrite(Yellow_Led_pin,  LOW);

delay(10000000000000);

}