int red = 12;
int green = 11;
int blue =10;
void setup() 
{
  pinMode(red,OUTPUT);
pinMode(green,OUTPUT);
pinMode(blue,OUTPUT);
}

void loop() 
{
  


  digitalWrite(red, LOW);
  digitalWrite(green, LOW);
  delay(100);
  digitalWrite(red, HIGH);
  digitalWrite(green, LOW);
  delay(100);
  digitalWrite(green, HIGH);
  digitalWrite(blue, LOW);
  delay(100);
  digitalWrite(blue, HIGH);
  



  
}