// C++ code


void setup()
{
  pinMode(2, OUTPUT);//VERDEA
  pinMode(3, OUTPUT);//AMARELOA
  pinMode(4, OUTPUT);//VERMELHOA
  pinMode(5, OUTPUT);//VERDEB
  pinMode(6, OUTPUT);//AMARELOB
  pinMode(7, OUTPUT);//VERMELHOB

    
}

void loop()
{
      //ETAPA A
      digitalWrite(4, LOW);//A
      digitalWrite(3, LOW);//A
      digitalWrite(2, HIGH);//VERDEA
      digitalWrite(7, HIGH);//VERMELHOB
      digitalWrite(6, LOW);//B
      digitalWrite(5, LOW);//B


      delay(5000); // Wait for 5000 millisecond(s)
      //ETAPAS B
      digitalWrite(2, LOW);//VERDEA
      digitalWrite(3, HIGH);//AMARELOA
      delay(1000); // Wait for 1000 millisecond(s)
      //ETAPA C
      digitalWrite(3, LOW);//AMARELOA
      digitalWrite(4, HIGH);//VERMELHOA
      delay(1000); // Wait for 1000 millisecond(s)
      //ETAPA D
      digitalWrite(7, LOW);//VERMELHOB
      digitalWrite(5, HIGH);//VERDEB 
      delay(4000); // Wait for 5000 millisecond(s)
      //ETAPA E
      digitalWrite(5, LOW);//VERDEB
      digitalWrite(6, HIGH);//AMARELOB
      delay(1000); // Wait for 1000 millisecond(s)
      //ETAPA F
      digitalWrite(6, LOW);//AMARELOB
      digitalWrite(7, HIGH);//VERMELHOB
      delay(1000); // Wait for 1000 millisecond(s)
  
}