// C++ code
//
int led=12;
int led2=8;
void setup()
{
  pinMode(led, OUTPUT);
  pinMode(led2,OUTPUT);
}

void loop()
{
  digitalWrite(led, HIGH);
  digitalWrite(led2, LOW);
  delay(1000); // Wait for 2000 millisecond(s)
  digitalWrite(led, LOW);
  digitalWrite(led2, HIGH);
  delay(1000); // Wait for 2000 millisecond(s)
}