int LED_R=8;
int LED_B=9;
int LED_G=10; 
void setup() {
  pinMode(LED_R, OUTPUT); 
 pinMode(LED_B, OUTPUT); 
  pinMode(LED_G, OUTPUT); 
}

void loop() {
  digitalWrite(LED_R, HIGH);
  delay(1000);
  digitalWrite(LED_R, LOW);
  delay(1000);
digitalWrite(LED_B, HIGH);
  delay(1000);
  digitalWrite(LED_B, LOW);
  delay(1000);
  digitalWrite(LED_G, HIGH);
  delay(1000);
  digitalWrite(LED_G, LOW);
  delay(1000);


}

void two() {
digitalWrite(led_u, 1);
digitalWrite(led_r, 1);
digitalWrite(led_g, 1);
delay(500);
digitalWrite();
}
































































































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