//#include "Arduino.h"

const byte LED_RED =6;
const byte LED_YELLOW =7;

void setup(){
pinMode(LED_RED, OUTPUT );
pinMode(LED_YELLOW, OUTPUT);
}

void loop(){
digitalWrite(LED_RED, HIGH);
digitalWrite(LED_RED, LOW);
delay(200);
digitalWrite(LED_YELLOW, HIGH);
digitalWrite(LED_YELLOW, LOW);
delay(200);
}