//C++ code
//
int rojo=15;
int amarillo=2;
int verde=4;
int rojo2=16;
void setup ()
{
pinMode(rojo,OUTPUT);
pinMode(amarillo,OUTPUT);
pinMode(verde,OUTPUT);
pinMode(rojo2,OUTPUT);
}
void loop ()
{
digitalWrite(rojo, HIGH);
digitalWrite(amarillo, LOW);
digitalWrite(verde, LOW);
digitalWrite(rojo2, LOW);
delay(6000);
digitalWrite(verde, HIGH);
digitalWrite(rojo, LOW);
digitalWrite(amarillo, LOW);
digitalWrite(rojo2, HIGH);
delay(4000);
digitalWrite(amarillo, HIGH);
digitalWrite(verde, LOW);
digitalWrite(rojo, LOW);
delay(2000);
digitalWrite(amarillo, LOW);
digitalWrite(verde, LOW);
digitalWrite(rojo, LOW);
delay(500);
digitalWrite(amarillo, HIGH);
digitalWrite(verde, LOW);
digitalWrite(rojo, LOW);
delay(500);
digitalWrite(amarillo, LOW);
digitalWrite(verde, LOW);
digitalWrite(rojo, LOW);
delay(500);
digitalWrite(amarillo, HIGH);
digitalWrite(verde, LOW);
digitalWrite(rojo, LOW);
delay(500);
digitalWrite(amarillo, LOW);
digitalWrite(verde, LOW);
digitalWrite(rojo, LOW);
delay(500);
digitalWrite(amarillo, HIGH);
digitalWrite(verde, LOW);
digitalWrite(rojo, LOW);
delay(500);
digitalWrite(amarillo, LOW);
digitalWrite(verde, LOW);
digitalWrite(rojo, LOW);
delay(500);
digitalWrite(amarillo, HIGH);
digitalWrite(verde, LOW);
digitalWrite(rojo, LOW);
delay(500);
}