#define red 12
#define blue 11
#define green 10

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

void loop() {
// put your main code here, to run repeatedly:
digitalWrite(red,1);
 delay(100);
 digitalWrite(red,0);
 digitalWrite(blue,1);
 delay(100);
 digitalWrite(blue,0);
 digitalWrite(green,1);
 delay(100);
 digitalWrite(blue,0);
 delay(100);
 digitalWrite(green,0);
 

}