#define LedRed 2
#define LedBlue 6

void setup() {
  // put your setup code here, to run once:
pinMode(LedRed,OUTPUT);
pinMode(LedBlue,OUTPUT);


}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(LedRed,1);
delay(1000);
digitalWrite(LedRed,0);
digitalWrite(LedBlue, 1);
delay(1000);
digitalWrite(LedBlue,0);
}