int red = 11;
int yellow = 12;
int green = 13;

void setup() {
// put your setup code here, to run once:
pinMode(red, OUTPUT);
pinMode(yellow, OUTPUT);
pinMode(green, OUTPUT);}

void loop() {
// put your main coda hors, to run repcatedly:
digitalWrite(red, HIGH);
digitalWrite(yellow, LOW);
digitalWrite(green, LOW);
delay(1500);


// put your main coda hors, to run repcatedly:
digitalWrite(red, LOW);
digitalWrite(yellow, HIGH);
digitalWrite(green, LOW);
delay(1500);


// put your main coda hors, to run repcatedly:
digitalWrite(red, LOW);
digitalWrite(yellow, LOW);
digitalWrite(green, HIGH);
delay(1500);

// put your main coda hors, to run repcatedly:
digitalWrite(red, LOW);
digitalWrite(yellow, LOW);
digitalWrite(green, LOW);
delay(1500);

// put your main coda hors, to run repcatedly:
digitalWrite(red, HIGH);
digitalWrite(yellow, HIGH);
digitalWrite(green, HIGH);
delay(1500);}