int R=1, G=3, B=2;

void setup() {
   // initialize digital pin LED_BUILTIN as an output.

    pinMode(R, OUTPUT);
    pinMode(G, OUTPUT);
    pinMode(B, OUTPUT);
}

// the loop fuction runs over and over again forever
void loop() {
   digitalWrite(R, LOW);//BLUE
   digitalWrite(G, LOW);//UNGU
   digitalWrite(B, HIGH);//KUNING
   delay(1000);

   digitalWrite(R, HIGH);
   //digitalWrite(G, LOW);
   digitalWrite(B, HIGH);
   delay(1000);

   //digitalWrite(R, LOW);
   //digitalWrite(G, HIGH);
   //digitalWrite(B, LOW);
   //delay(1000);

   //digitalWrite(R, LOW);
   //digitalWrite(G, LOW);
   //digitalWrite(B, HIGH);
   //delay(1000);
}