int LED = 12; // sets LED circuit to be on Pin 12
int Switch1 = 2; // sets switch circuit to be on Pin 3

void setup() {
  // put your setup code here, to run once:

     pinMode(LED, OUTPUT); // will command output here.
     pinMode(Switch1, INPUT); // will listen here for signal.

}


void loop () {
  // put your main code here, to run repeatedly:

     if (digitalRead(Switch1) == HIGH) {
          digitalWrite(LED, LOW);
          delay(1000);
          digitalWrite(LED, HIGH);
          delay(100);
          digitalWrite(LED, LOW);
          delay(100);
          digitalWrite(LED, HIGH);
          delay(100);
     }
     else {
         digitalWrite(LED, LOW); // turn LED off.
     }
}